Rr Jesicha Maulida Septiana, Sebastiana Viphindrartin, & Endah Kurnia. (2021). Distribution and Efficiency Analysis of Commodity Trading of Robusta Coffee in Silo District, Jember Regency. Researchers World - International Refereed Social Sciences Journal, 9(4), 01–10. Retrieved from https://researchersworld.com/index.php/rworld/article/view/172