Rozalina, Damanik SE, Marbun RG. Analisis Tataniaga Getah Pinus Di Desa Sileutu Nagori Sibaganding Kecamatan Girsang Sipangan Bolon Kabupaten Simalungun. Jurnal Akar [Internet]. 2022 Apr. 25 [cited 2024 Jul. 22];1(1):1 -. Available from: https://jurnal.usi.ac.id/index.php/akarusi/article/view/888