Barra, Leizel Grace S. Food safety measures and customer welfare of mama angging's catering services in Bansalan / by Leizel Grace S. Barra, Kriza Joy R. Matilos, Marizel A. Talabon. - Davao del Sur: UM Bansalan College, 2015 - i, 47p.: 29cm. Dewey Class. No.: BT/B270f/2015