Effendi JC, Devita R, Putra OE. Rancang Bangun Celengan Interaktif Berbasis Mikrokontroler Dan Android. jcsitech [Internet]. 2026 May 21 [cited 2026 May 23];10(1). Available from: https://jcsitech-upiyptk.org/ojs/index.php/jcsitech/article/view/152