Putri A, Walfindo I. 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. J. AgribiSains [Internet]. 2022 Apr. 18 [cited 2026 Jun. 8];8(1):13-9. Available from: http://103.127.96.46/index.php/AGB/article/view/5246