Cemi Wulan Miarti, Efri, Muhammad Syamsoel Hadi and Radix Suharjo 2020. Journal of Tropical Upland Resources (J. Trop. Upland Res.). 2, 1 (Jun. 2020), 103-112. DOI:https://doi.org/10.23960/jtur.vol2no1.2020.85.