Cooperation Model of “Tampan”(dividing profit based on the agreement) and “Ounce” (cooperation model based on the ounce scale in the Coconut Sugar Production: The Study of Coconut Sugar Produsen in Karang BendoVillage Ponggok District Blitar Regency. josar [Internet]. 2019 Mar. 31 [cited 2026 Jan. 31];4(1):72-83. Available from: https://ejournal.unisbablitar.ac.id/index.php/josar/article/view/749