Puspitasari, S., A. Cifriadi, A. Ramadhan, and M. Chalid. “Performance Evaluation of Green Cushion Gum Composite Formulated Based on Hybrid Filler and Curing System”. ASEAN Journal of Chemical Engineering, Vol. 22, no. 1, June 2022, pp. 113-2, https://dev.journal.ugm.ac.id/v3/AJChE/article/view/9232.