Ismail, Mohd Erfy, Mohd Ali Samsudin, Nor Fadila Mohd Amin, Nurzatulshima Kamarudin, Khairul Azhar Mat Daud, and Lilia Halim. “Contributing Factors to Science Achievement in TIMSS Malaysia: Direct Model and Indirect Model”. International Journal of Engineering & Technology 7, no. 4.30 (November 30, 2018): 423–428. Accessed May 2, 2024. https://www.sciencepubco.com/index.php/ijet/article/view/22354.