Ramadhan, Nur Ghaniaviyanto, Aji Gautama Putrada, and Maman Abdurohman. “Improving Smart Lighting With Activity Recognition Using Hierarchical Hidden Markov Model”. Indonesian Journal on Computing (Indo-JC) 4, no. 2 (September 9, 2019): 43–54. Accessed December 27, 2024. https://socjs.telkomuniversity.ac.id/ojs/index.php/indojc/article/view/307.