Abdulrahman, I., & Chawsheen, S. A. Income-Based Economic Determinants of Life Expectancy in Four Groups of Countries Classified by their Levels of Income. Editura Universităţii „Alexandru Ioan Cuza” din Iaşi / Alexandru Ioan Cuza University of Iasi Publishing house.
Chicago Style (17th ed.) CitationAbdulrahman, Ismael, and Sarah Ahmed Chawsheen. Income-Based Economic Determinants of Life Expectancy in Four Groups of Countries Classified by Their Levels of Income. Editura Universităţii „Alexandru Ioan Cuza” din Iaşi / Alexandru Ioan Cuza University of Iasi Publishing house.
MLA (9th ed.) CitationAbdulrahman, Ismael, and Sarah Ahmed Chawsheen. Income-Based Economic Determinants of Life Expectancy in Four Groups of Countries Classified by Their Levels of Income. Editura Universităţii „Alexandru Ioan Cuza” din Iaşi / Alexandru Ioan Cuza University of Iasi Publishing house.