“STRATEGI PENGEMBANGAN USAHA KOPI BUBUK (STUDI KASUS USAHA INDUSTRI KOPI CETHE TULUNGAGUNG)”. JAAS : Journal of Agribusiness and Agro-Socioeconomics 2, no. 1 (June 25, 2026): 11–22. Accessed October 12, 2026. https://journal.unita.ac.id/index.php/JAAS/article/view/2176.