Manu Seetisarn. (1978). Impact of multiple cropping in the Chiang Mai Valley. Council for Asian Manpower Studies.
Chicago-viite (17. p.)Manu Seetisarn. Impact of Multiple Cropping in the Chiang Mai Valley. Quezon City: Council for Asian Manpower Studies, 1978.
MLA-viite (9. p.)Manu Seetisarn. Impact of Multiple Cropping in the Chiang Mai Valley. Council for Asian Manpower Studies, 1978.
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