00371nam a2200133Ia 4500008004100000082001700041100001700058245004100075260005400116300000800170650001400178650002000192653002500212170901s1984    xx            000 0 und d  a370.78bK13E  aKaul, Lokesh 0aShaikshik Anusandhan ki Karyapranali  aNew DelhibVikas Publishing House Pvt. Ltd.c1984  a542  aEducation  aSocial sciences  aEducational research