Sitompul, Jonariando, SINDAK HUTAURUK, and Sahat Siahaan. 2022. “Membuat Ruangan Bebas Covid 19 Dengan Robot Disinfektan Dibawah Kendali Smartphone”. SPROCKET JOURNAL OF MECHANICAL ENGINEERING 3 (2), 73-83. https://doi.org/https://doi.org/10.36655/sprocket.v3i2.622.