Supriyatno, Eko, and Siswanto Siswanto. “PEMODELAN SISTEM AUDIO SECARA WIRELESS TRANSMITTER MENGGUNAKAN LASER POINTER”. Jurnal Teknik Mesin (Journal Of Mechanical Engineering), vol. 5, no. 4, Nov. 2016, pp. 155-8, doi:10.22441/jtm.v5i4.1221.