Tegar Diyan Sandika, Cherlina Helena Purnamasari Panjaitan and Candra Supriadi (2026) “Implementation Of A WhatsApp Chatbot To Automate Population Administration Information Services In Tuntang District, Semarang Regency”, International Journal of Health Engineering and Technology, 5(3). doi: 10.55227/ijhet.v5i3.1066.