Liuw, Daniel, Wisard W Kalengkongan, Benny Pinontoan, dan Eliasta Ketaren. 2026. “IMPLEMENTATION OF AN IOT-BASED CONGREGANT COUNTING SYSTEM USING INFRARED PROXIMITY SENSOR E18-D80NK AND WEB DASHBOARD: CASE STUDY: BETHANY CITYWALK CHURCH”. Jurnal TIMES 15 (1). https://doi.org/10.51351/jtm.15.1.2026941.