Moertini, Veronica S., Vania Natali, Edo F. Haryanto, and Dearen Hippy. 2024. “Developing Information System for Managing and Booking Rooms and Facilities in a Retreat House”. Journal of Innovation and Community Engagement 5 (4). Bandung, Indonesia:220-35. https://doi.org/10.28932/ice.v5i4.9472.