Fadhillah SN, Rosnita R, Dewi N. The Role of Extension in Preparation for the Replanting of Independent Smallholders Oil Palm by the ISPO Concept in Rokan Hulu Regency. j.sos.ekon.pertan. [Internet]. 2021 Nov. 16 [cited 2026 Jul. 23];17(3):75-82. Available from: https://journal.unhas.ac.id/index.php/jsep/article/view/13534