Sopandi, Acep, Zulfadly Sayrif, and Reni Mayerni. “Similarity Analysis of Robusta Coffee Plant (Coffea Robusta L.) at Three Altitudes in Merangin District, Jambi Province”. International Journal of Environment, Agriculture and Biotechnology 5, no. 1 (January 15, 2020). Accessed July 22, 2024. https://journal-repository.com/index.php/ijeab/article/view/1592.