Papola, T. S. (1983). Development of hill areas: Issues and approaches. Himalaya publishing house.
Παραπομπή Chicago StylePapola, T S. Development of Hill Areas: Issues and Approaches. Bombay: Himalaya publishing house, 1983.
Παραπομπή MLAPapola, T S. Development of Hill Areas: Issues and Approaches. Himalaya publishing house, 1983.
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