00290nam a2200097Ia 4500008004100000040002900041050002000070100001900090245004100109260004200150230104s9999||||xx |||||||||||||| ||und||  cChuka University Library  aH 61bK38 1993   aKathuri, N. J. 0aIntroduction to educational research  aEgerton University PressbNjoroc1993