TY  - BOOK
AU  -  Bigala, J.C.B.
TI  -  General methodology
SN  -  9991202072
U1  -  371.102 
PY  - 1996///
CY  -  Gaborone
PB  -  PrintConsult
KW  -  Teaching
N1  -  Includes bibliographical references (p.245-247)
ER  -