“Effect of Various Concentrations of Organic Avocado Peel Stimulant on Latex Yield of Rubber Plant (Hevea brasiliensis Muell. Arg.) Clone PB 260” (2026) Sainmatika: Jurnal Ilmiah Matematika dan Ilmu Pengetahuan Alam, 23(1), pp. 40–47. doi:10.31851/sainmatika.v23i1.20489.