Akbar M, Anjasmara SD, Wardhani KDK. Design and Build an Organic and Inorganic Waste Detector Using Proximity Sensors and NodeMCU ESP8266. JKT [Internet]. 2021 Dec. 24 [cited 2024 Apr. 25];7(2):290-9. Available from: https://jurnal.pcr.ac.id/index.php/jkt/article/view/5178