00380nam a2200121Ia 4500008004100000082002200041100002700063245011000090260001400200260002700214260000900241365000800250180713s9999    xx            000 0 und d  a300.72  K3         a"Kothari, C R        " 0aResearch Methodology                                                                                       aNew Delhi  b New Age International  c1987  b100