Saowaluk Rungchang, Sonthaya Numthuam, Rangsun Charoensook, Phatcharapol Thongkum and Chanikan Junmatong. 2018. Method Development for Pesticide Determination in Paddy Rice Using Near Infrared Spectroscopy. International Journal of Agricultural Technology. 14(1): 123-129.
Phatcharapol Thongkum, Watchphon Treesuraphon, Saowaluk Rungchang and Sonthaya Numthuam. 2018. Effect of Fat Content on Physical Properties of Extruded Dog Food. The 20th Food Innovation Asia Conference 2018 (FIAC) Creative Food for Future and Sustainability 14-16 JUNE 2018 BITEC, BANGKOK.
Phatcharapol Thongkum, Saowaluk Rungchang, Tossaporn Incharoen, Rangsun Charoensook, and Sonthaya Numthuam. 2019. Effect of Fat Content on Physical Properties and Die Temperature on Fatty Acid of Extruded Dog Food. ICCBES International Congress on Chemical, Biological and Environmental Sciences. 7-9 May 2019. International House Osaka Japan, JAPAN.