Dinny Cahyantika, Novita Hera, and Irwan Taslapratama. 2025. “Weeds Vegetation in Rubber Plantations at Different Altitudes in Indragiri Hulu District, Riau Province, Indonesia”. Jurnal Riset Perkebunan 6 (1):45-55. https://doi.org/10.25077/jrp.6.1.45-55.2025.