Anis, M. 2019. 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 (Journal of Students Academic Research). 4, 1 (Mar. 2019), 72-83. DOI:https://doi.org/10.35457/josar.v4i1.749.