Wikantyasa, I Made, 		Suarjaya, I Made Agus, AND 		Raharja, I Made.
" Design and Building Mikrotik Based Billing System and Chatbot as Media Transaction Online" <em>Jurnal Ilmiah Merpati (Menara Penelitian Akademika Teknologi Informasi)</em> [Online], (9 April 2021)