Bernard, H Russell .
Social research methods: qualitative and quantitative approaches / - 2nd ed.; - London : Sage , 2013. - 789p. ;
9781412978545
Social sciences-research
Research methodology
001.42 / BER/S
Social research methods: qualitative and quantitative approaches / - 2nd ed.; - London : Sage , 2013. - 789p. ;
9781412978545
Social sciences-research
Research methodology
001.42 / BER/S