Gay, L.R.
Educational Research: competencies for analysis and application/ - 5th ed. - Islamabad: Alama Iqbal Open University, c1992. - xxiv, 662 p. : ills.; 25 cm.
0023408146
Education
Education--Research
370.72 / GAE
Educational Research: competencies for analysis and application/ - 5th ed. - Islamabad: Alama Iqbal Open University, c1992. - xxiv, 662 p. : ills.; 25 cm.
0023408146
Education
Education--Research
370.72 / GAE