(1)
Ismail, M. E.; Samsudin, M. A.; Amin, N. F. M.; Kamarudin, N.; Daud, K. A. M.; Halim, L. Contributing Factors to Science Achievement in TIMSS Malaysia: Direct Model and Indirect Model. IJET 2018, 7 (4.30), 423-428. https://doi.org/10.14419/ijet.v7i4.30.22354.