Papola, T. S. (1983). Development of hill areas: Issues and approaches. Himalaya publishing house.
Dyfyniad Arddull ChicagoPapola, T S. Development of Hill Areas: Issues and Approaches. Bombay: Himalaya publishing house, 1983.
Dyfyniad MLAPapola, T S. Development of Hill Areas: Issues and Approaches. Himalaya publishing house, 1983.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.