Apsari, Made, 		Widiartha, I Made, 		Agung Raharja, Made, 		Santi Astawa, I Gede, 		Arta Wibawa, Gede, AND 		Made Mahendra, Ida Bagus.
" VOCAL TONE PRECISION DETECTION USING HARMONIC PRODUCT SPECTRUM (HPS) AND K-NEAREST NEIGHBOR (KNN) CLASSIFICATION" <em>JELIKU (Jurnal Elektronik Ilmu Komputer Udayana)</em> [Online], Volume 10 Number 3 (28 February 2022)