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		Lesmana, Geyge, 		Piarsa, I Nyoman, AND 		Putra, I Made Suwija.
" Identification of Baby's Feet Using Principal Component Analysis (PCA) Method Character Extraction with K-Nearest Neighbor (KNN) Classification in Matlab Application" <em>Jurnal Ilmiah Merpati (Menara Penelitian Akademika Teknologi Informasi)</em> [Online], Volume 9 Number 3 (19 May 2021)