Kendrawan, I. D. G. S., Khrisne, D. C., & Sukadarmika, G. (2018). RANCANG BANGUN SISTEM INFORMASI GEOGRAFIS PENGEPUL KOPI BERBASIS ANDROID. SINTECH (Science and Information Technology) Journal, 1(2), 76 - 82. https://doi.org/10.31598/sintechjournal.v1i2.233