Wahyuni, Dwi, Aditya Sarif Hidayat, and Ina Darliana. “Productivity Of Arabica Coffee Varieties Under Pine Trees”. Greenation International Journal of Tourism and Management 1, no. 4 (January 31, 2024): 447–451. Accessed October 18, 2024. https://research.e-greenation.org/GIJTM/article/view/140.