Bahari Mohd Yusoff, Saiful, Sinin Hamdan, Zalina Ibrahim, and Shah Jhihan Abdullah. “Coconut Coir Experimental Process for Producing an Alternative Block Toy Compound”. International Journal of Engineering & Technology 7, no. 3.18 (August 2, 2018): 64–67. Accessed December 21, 2024. https://sciencepubco.com/index.php/ijet/article/view/16676.