00295nam a2200097Ia 4500008004100000040003800041100001700079245005800096250000600154260003700160220107s9999    xx            000 0 und d  cJayakar Knowledge Resource Centre  aGopal, M. H. 0aIntroduction to research procedure in social sciences  a2  bAsia pub. houseaNew Delhic1970