Azida, A. B Azinoor, M. H Nora Farina, M. Z Zuhaida, B Fauzi, and H. B Muhamad Hasbullah. “Implementation of Open-Ended Laboratory (OEL) in Environmental Engineering Subject for Civil Engineering Diploma Program”. International Journal of Asian Social Science 8, no. 4 (March 28, 2018): 173–178. Accessed November 22, 2024. https://archive.aessweb.com/index.php/5007/article/view/2982.