Nguyen, D., Trinh, D., & Tran, B. (2010). BUIDING MATHEMATICAL MODEL OF FREEZING HEAT TRANSFER TO DETERMINE ICE RATIO AND OPTIMAL FREEZING TEMPERATURE OF HUMID MATERIALS IN THE FIRST STAGE IN CONDITION OF FREEZE DRYING. Science and Technology Development Journal, 13(4), 83-98. https://doi.org/https://doi.org/10.32508/stdj.v13i4.2171