“ALTERNATIF UPAYA PENANGGULANGAN KELANGKAAN PENYADAP DI PERUSAHAAN PERKEBUNAN KARET (THE EFFORT TO OVERCOME TAPPERS SCARCITY IN RUBBER ENTERPRISES)” (2017) Inovasi, 14(2), pp. 142–154. Available at: https://jurnal.sumutprov.go.id/index.php/inovasi/article/view/100 (Accessed: 11 January 2026).