Kinetics, mass transport characteristics, and structural changes during air-drying of purple yam (Dioscorea Alata L.) at different process conditionsFlordeliza C. De Vera, Leif Anthony B. Comaling, Iya Ray Alyanna M. Lao, Alvin R. Caparanga and Zaliman SauliEPJ Web Conf., 162 (2017) 01085DOI: https://doi.org/10.1051/epjconf/201716201085