00824cam a22002291 4500 sa 68019506 DLC 20260227112718.0 720210s1967 ce 000 0 eng sa 68019506 //r932 PL480:C-309 DLC DLC DLC a-ce--- LB2948.3 .A65 373.1/2/0095493 Action research pilot project for improvement school practices through supervision and assessment of school performance; working paper [by Jinapala Alles and others. Colombo] Division of Secondary Education, Ministry of Education, Ceylon, 1967. 20 p. 33 cm. High schools Sri Lanka Administration. Alles, Jinapala, 1923- Ceylon. Dvitīyaka Adhyāpana Aṃśaya. 88931 88931