00289nam a2200097Ia 4500008004100000040002900041050001900070100001900089245004100108260004200149230104s9999||||xx |||||||||||||| ||und||  cChuka University Library  aH61bK38 1993   aKathuri, N. J. 0aIntroduction to educational research  aEgerton University PressbNjoroc1993