00000nam a2200000 a 4500 20251202164144.0 0194424014 310.91724 CAS Casley, D.J Lury, D.A Data collection in developing countries London ELBS 1981 244 p. 24 cm. PB Social surveys Eng PUL 6654 C 8971 C 1500 1500 0 0 0 0 PU PU 1998-04-08 0 310.91724 CAS 6654 BK 0 0 0 0 PU PU 1998-04-08 77.80 0 310.91724 CAS 8971 BK