Optimizing Infrastructure, Public Information, and Environmental Awareness Through a Community Service Program in Bangelan Village - Rakha Virlo Ramadhan; Zulvania Fahira Rahmadani; Dwi Putri Isnaini Mayumi; Ananda Ayu Maulidan Nabila; Chindy Bella Sasmita; Frendy Aru Fantiro (GANDRUNG: Jurnal Pengabdian Kepada Masyarakat, 2026)