Sumit Wilaiporn และผู้แต่งคนอื่นๆ. (2018) Testing of Maize Nakhon Sawan 3 Variety Planting in Nan and Chiang Mai Provinces. <i>Thai Agricultural Research Journal</i>, <i>36</i>(2), 163-172.Sumit Wilaiporn และผู้แต่งคนอื่นๆ. "Testing of Maize Nakhon Sawan 3 Variety Planting in Nan and Chiang Mai Provinces". Thai Agricultural Research Journal 36 (2018):163-172.Sumit Wilaiporn และผู้แต่งคนอื่นๆ. Testing of Maize Nakhon Sawan 3 Variety Planting in Nan and Chiang Mai Provinces. Department of Agriculture:ม.ป.ท. 2018.