Putri, A. and Walfindo, I. (2022) “THE ADDED VALUE OF PURPLE SWEET POTATO INTO PROCESSED PURPLE SWEET MILK PIE IN HARAU DISTRICT, LIMAPULUH KOTA REGENCY: NILAI TAMBAH UBI JALAR UNGU MENJADI OLAHAN PIE SUSU UBI UNGU DI KECAMATAN HARAU, KABUPATEN LIMAPULUH KOTA”, JURNAL AGRIBISAINS, 8(1), pp. 13–19. doi: 10.30997/jagi.v8i1.5246.