Soraya Yongparyun. 2003. Development of a solar paddy dryer with auxiliary heat from combustion. Field of Study Renewable Energy, Naresuan University;
Soraya Yongparyun. (2003) Development of a solar paddy dryer with auxiliary heat from combustion . Naresuan University/Phitsanulok.
Soraya Yongparyun. Development of a solar paddy dryer with auxiliary heat from combustion. . Phitsanulok:Naresuan University, 2003.
Soraya Yongparyun. (2003) Development of a solar paddy dryer with auxiliary heat from combustion . Naresuan University/Phitsanulok.