Optimization by RSM of reinforced concrete domes with meridian ribs, under static loading. by Logzit N., Raouache E., Bentoumi M., Bentoumi A., Khababa I.

“…Reinforced concrete domes with meridian ribs present a suitable solution for covering large spaces, but their optimization in terms of strength and stability remains a challenge not yet mastered. This work presents a new global mathematical approach to optimizing these structures, starting with a primary configuration braced at the top and bottom with ring beams. …”
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Powerful Learning Environments: A Guide to Designing Innovation Labs by Ineke Miltenburg, Ron Weerheijm

“…There are five crucial characteristics for designing learning environments which challenge students to master the said competence profile: a multidisciplinary issue drawn from actual practice; an authentic learning environment; professional excellence as both the aim and basis for assessment; qualified teachers setting high standards for their students; and working and learning in a Community of Learners made up of all those involved. …”
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Le français dans l’écriture conradienne by Claude Maisonnat

“…The result is that French is essential to his art in so far as it provides a constant challenge to the master discourse of the authorial voice and thus constitutes the basis of the poetic dimension of his prose based on the Lacanian notion of lalangue, as if French acted as a surrogate maternal language.…”
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MASTERING AMERICAN ENGLISH: A CROSS-CULTURAL ANALYSIS OF CHALLENGES FACED BY FRANCOPHONE AND UKRAINIAN-SPEAKING LEARNERS IN THE FIELDS OF BUSINESS, HEALTHCARE, AND ECOLOGY by Yu. Lysanets, D. Anne, O. Bieliaieva

“…The authors emphasize that, despite the widespread instruction of English, non-native speakers encounter several challenges, particularly in mastering the American academic writing style. …”
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Phonological substitution patterns in Yemeni Ibbi Arabic child speech: a markedness and natural phonology perspective by Abdullah Alfaifi, Fawaz Qasem

“…The findings suggest that substitutions are influenced by the child’s current stage in the consonant acquisition timeline and reflect developmental challenges associated with mastering more complex sounds. The study provides empirical evidence supporting the SPP hypothesis, which highlights the children’s strategic adaptations to phonetic and articulatory challenges. …”
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Von kleinen Gespenstern, Gurkenkönigen und Konservenkindern – Probleme der Übersetzung deutschsprachiger Kinder- und Jugendliteratur in die romanischen Sprachen by Cordula Neis

“…There remain other challenges to be mastered such as those offered by fictional orality, a narrative strategy deliberately used to create a particular atmosphere and to confer local color to a text. …”
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Foreign Languages and Aesopianisation: When the Popularity of Fables Unlocks Spanish by Kassim Boudjelal Safir

“…The integration of beloved fables into reading comprehension and classroom discussion captivates students' imaginations and may help to solve one of the most daunting challenges in education: mastering analytical reading. Employing content analysis, this article delves into the application of narrative popularity effect (NPE) (1), linguistic context predictability (LCP) (2), lexical interlingual cognates (LIC) (3), and collocational patterns (CP) (4) as four useful linguistic tools to solve one of the most daunting educational challenges: unlocking a foreign language through detailed analytical reading. …”
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Compétence phraséologique et enseignement du FLE : état des lieux et enjeux pédagogiques dans le contexte universitaire algérien by Nouhad TIGANI

“…This exploratory research, conducted at the University Center of Barika (Algeria), undertakes an in-depth investigation combining evaluation tests and questionnaires, in order to identify the challenges faced by master's students. The results show a considerable failure of students in dealing with phraseological units and reveal significant shortcomings in teaching methods that do not pay sufficient attention to the development of phraseological competence. …”
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Opportunities for Intercultural Environment Creation in Ukrainian Agrarian University by Marina Bilotserkovets, Tetiana Fomenko, Yuliia Lushchyk

“…At a national level, the study highlights the specific challenges faced by master students in Ukrainian HEIs and the necessity for specialized training to enhance intercultural communication skills. …”
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DIRECTIONS FOR IMPROVING THE QUALITY OF POSTGRADUATE EDUCATION OF PHYSICIANS by Н. Каспрук, С. Батрановська, С. Мельничук, Т. Унгурян, Т. Копчук, А. Петрюк

“…However, 5% of respondents reported challenges related to mastering digital tools and managing time constraints. …”
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