සමාජ පර්යේෂණ ක්රම
Pinikahana , Jayantha
සමාජ පර්යේෂණ ක්රම - Colombo S.Godage 2012 - 224 p. 22 cm.
9789553033758
SOCIAL SCIENCES
METHODOLOGY
SOCIAL SCIENCES - RESEARCHES
SOCIAL RESEARCH METHODOLOGY
300.72 / PIN
සමාජ පර්යේෂණ ක්රම - Colombo S.Godage 2012 - 224 p. 22 cm.
9789553033758
SOCIAL SCIENCES
METHODOLOGY
SOCIAL SCIENCES - RESEARCHES
SOCIAL RESEARCH METHODOLOGY
300.72 / PIN