na INLIS000000000013159 20210426123251 210426||||||||| | ||| |||| || sage publications 010-0421013159 0 "," Indonesia" metodologi penelitian\" Secondary research : information sources and methods,Text" 1.891\" 1984 135 p; 24cm""" Applied social research method David W. Stewart" 2005/005-1 -- 2005/005-2\";;;;;;\"