Natthaporn uthaimongkol และผู้แต่งคนอื่นๆ. (2016) Phytosanitary Measures for the Importation of Hybrid Rice Seeds Case study : from Republic of the Philippines. <i>Thai Agricultural Research Journal</i>, <i>34</i>(3), 299-320.Natthaporn uthaimongkol และผู้แต่งคนอื่นๆ. "Phytosanitary Measures for the Importation of Hybrid Rice Seeds Case study : from Republic of the Philippines". Thai Agricultural Research Journal 34 (2016):299-320.Natthaporn uthaimongkol และผู้แต่งคนอื่นๆ. Phytosanitary Measures for the Importation of Hybrid Rice Seeds Case study : from Republic of the Philippines. Department of Agriculture:ม.ป.ท. 2016.