Harjani, C., Aditiyarini, D. and Prakasita, V. C. (2025) “COMPARATIVE pH ANALYSIS: HOMEMADE COLD CLAY VERSUS COMMERCIAL CLAY FOR CHILD SAFETY”, Jurnal Bioteknologi & Biosains Indonesia (JBBI). Indonesia, 12(2), pp. 375–381. Available at: https://ejournal.brin.go.id/JBBI/article/view/13507 (Accessed: 25 December 2025).