Laa Archwichai. 1985. The investigation of paddy rice farming land damage at Ban Suan Mon, Tumbon Thaphra Amphoe Muang, Khon Kaen province, due to soil swelling (Part 1). Khon Kaen:Khon Kaen University;

Laa Archwichai. The investigation of paddy rice farming land damage at Ban Suan Mon, Tumbon Thaphra Amphoe Muang, Khon Kaen province, due to soil swelling (Part 1). Khon Kaen:Khon Kaen University, 1985.

Laa Archwichai. (1985) The investigation of paddy rice farming land damage at Ban Suan Mon, Tumbon Thaphra Amphoe Muang, Khon Kaen province, due to soil swelling (Part 1) (รายงานผลงานวิจัย). Khon Kaen University:Khon Kaen.