@INPROCEEDINGS {WINCH:1977b,
title = {Selection, training and supervision of field enumerators employed for village-level economic survey},
author = {Winch, F. E. },
booktitle = {Village-level socio-economic studies workshop held at IITA, November 14-25, 1977, Ibadan},
year = {1977},
note = {Impact Assessment; Learning Material},
}