Sumardjani, L. (2011). Konsep Lima Kekuatan Porter untuk Membedah Kondisi Industri Rotan Indonesia (The Concept of Porter‘s Five Forces in Evaluating Indonesian Rattan Industry). Jurnal Manajemen Hutan Tropika, 15(1), 41-44. https://journal.ipb.ac.id/jmht/article/view/3236