Siahaan, Adriani S.A., et al. “THE CORRELATION OF ELEVATION, SOIL CHEMICAL PROPERTIES AND YIELD OF COFFEE ARABICA IN SHADED CONDITIONS”. IRAQI JOURNAL OF AGRICULTURAL SCIENCES, translated byHalus Satriawan, vol. 53, no. 6, Dec. 2022, pp. 1407-1, https://doi.org/10.36103/ijas.v53i6.1656.