na INLIS000000000021010 20210426131939 210426||||||||| | ||| |||| || | 010-0421021010 id 30 30. BLA c BLALOCK, Hubert M. Conceptualization and measurement in the social science California Sage Publications 1982 285p.:ills.;24cm metodologi penelitian -- sosial -- ilmu sosial -- penelitian sosial