APA

Kalupahana A., . (2000). Land Suitability Evaluation in the Upper Pasak Valley (Lomsak-Lomkao) Area for Tobacco and Maize, with Special Attention to Soil Fertility and Soil Moisture. Soil Science Division, International Institute for Aerospace Survey and Earth Sciences (ITC): Netherlands.

Chicago

Kalupahana A, . 2000. Land Suitability Evaluation in the Upper Pasak Valley (Lomsak-Lomkao) Area for Tobacco and Maize, with Special Attention to Soil Fertility and Soil Moisture. Soil Science Division, International Institute for Aerospace Survey and Earth Sciences (ITC): Netherlands.

Harvard

Kalupahana A., . (2000). Land Suitability Evaluation in the Upper Pasak Valley (Lomsak-Lomkao) Area for Tobacco and Maize, with Special Attention to Soil Fertility and Soil Moisture. Soil Science Division, International Institute for Aerospace Survey and Earth Sciences (ITC): Netherlands.

MLA

Kalupahana A, . Land Suitability Evaluation in the Upper Pasak Valley (Lomsak-Lomkao) Area for Tobacco and Maize, with Special Attention to Soil Fertility and Soil Moisture. Soil Science Division, International Institute for Aerospace Survey and Earth Sciences (ITC): Netherlands. 2000.