APA (7th ed.) Citation

Chughtai, M. W., Selamat, A., Ghani, I., & Jung, J. J. Retracted: E-Learning Recommender Systems Based on Goal-Based Hybrid Filtering. Wiley.

Chicago Style (17th ed.) Citation

Chughtai, Muhammad Waseem, Ali Selamat, Imran Ghani, and Jason J. Jung. Retracted: E-Learning Recommender Systems Based on Goal-Based Hybrid Filtering. Wiley.

MLA (9th ed.) Citation

Chughtai, Muhammad Waseem, et al. Retracted: E-Learning Recommender Systems Based on Goal-Based Hybrid Filtering. Wiley.