Hidayat, E., A. Afriliana, G. Gusmini, and H. Harada. “Land Suitability Evaluation of Coffee in Tokunoshima Island, Japan”. Journal of Applied Agricultural Science and Technology, Vol. 4, no. 2, Aug. 2020, pp. 146-54, doi: https://doi.org/10.32530/jaast.v4i2.169.