EARLY WARNING SYSTEM FOR FLOOD IN GUNUNGSARI DISTRICT BASED ON IOT WITH TELEGRAM BOT AS A WARNING MESSAGE SENDER. pilar [Internet]. 13 September 2022 [dikutip 11 Februari 2026];18(2):173-8. Tersedia pada: https://ejournal.nusamandiri.ac.id/index.php/pilar/article/view/3711