National Institute of Education (India). Directorate of Extension Programmes for Secondary Education. (1960). The concept of evaluation in education. Directorate of Extension Programmes for Secondary Education, Ministry of Education, Govt. of India.
Παραπομπή σε μορφή Chicago (17η εκδ.)National Institute of Education (India). Directorate of Extension Programmes for Secondary Education. The Concept of Evaluation in Education. [New Delhi]: Directorate of Extension Programmes for Secondary Education, Ministry of Education, Govt. of India, 1960.
Παραπομπή σε μορφή MLA (8th εκδ.)National Institute of Education (India). Directorate of Extension Programmes for Secondary Education. The Concept of Evaluation in Education. Directorate of Extension Programmes for Secondary Education, Ministry of Education, Govt. of India, 1960.