Nutritional Composition, Physicochemical, and Sensory Properties of Snack Bars Produced from Catfish Head Powder (Clarias gariepinus) and Purple Sweet Potatoes (Ipomoea batatas var Ayumurasaki) as Emergency Food. - Canti, Meda; Kasanti, Nafera Arvianda; Hutagalung, Rory Anthony; Lukas; Pandjaitan, M. M. Lanny W. (Scientific Journal of Fisheries & Marine / Jurnal Ilmiah Perikanan dan Kelautan, 2025)