Ahmad, Mohd Fadhli, Mohd Fadzil Allias, & Nurul Khairunnisa Su. " Kesan Penambahan Abu Sekam Padi Terhadap Sifat Mekanikal Batu Bata." Politeknik & Kolej Komuniti Journal of Engineering and Technology [Online], 4.1 (2019): 181-189. Web. 22 Jan. 2022