TY  - BOOK
AU  - Pons,Valdo
TI  - Introduction to social research
SN  - 99760602308
AV  - HN29 .I51
PY  - 1992///
CY  - Dar es Salaam, Tanzania
PB  - Dar es Salaam University Press
KW  -  
KW  - Social sciences
KW  - Research
N1  - Includes bibliographical references (p. 593-617)
ER  -