Rahmad, C. ., Arief Prasetyo and Riza Awwalul Baqy (2022) “PowerPoint slideshow navigation control with hand gestures using Hidden Markov Model method”, Matrix : Jurnal Manajemen Teknologi dan Informatika, 12(1), pp. 7–18. doi: 10.31940/matrix.v12i1.7-18.