ANGGARA, A. “ISTEM INFORMASI PEMAKAIAN DAN PENGORDERAN CHEMICAL PT. AGRICON PUTRA CITRA OPTIMA (TERMINIX) BERBASIS ANDROID”. Information Technology and Telematics, Vol. 5, no. 2, Jan. 2016, https://www.unisbank.ac.id/ojs/index.php/fti3/article/view/3477.