Suhartanto, E. and Safitri, L. (2020) “TREN PERUBAHAN CROP WATER PRODUCTIVITY KAKAO (Theobroma cacao L. ) DI D.I. YOGYAKARTA”, Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering), 9(3), pp. 237–247. doi: 10.23960/jtep-l.v9i3.237-247.