Abu Sofyan, Mukhmat, Agus Sifaunajah, and Nur Khafidhoh. 2021. “Sistem Informasi Manajemen Distribusi Pupuk Bersubsidi Berbasis Chatbot”. SAINTEKBU 13 (02):79-85. https://ejournal.unwaha.ac.id/index.php/saintek/article/view/2812.