Data collection in developing countries
Casley, D J Lury, D A
Data collection in developing countries - Oxford Oxford university press 1984 - xii, 243 p.; 23cm.
Data collection
Sampling - statistics
Social surveys - developing countries
Data collection in developing countries - Oxford Oxford university press 1984 - xii, 243 p.; 23cm.
Data collection
Sampling - statistics
Social surveys - developing countries