National Council of Educational Research and Training (India). Study Group on Supervision and Inspection. (1969). Report of the Study Group on Supervision and Inspection. National Council of Educational Research and Training.
Dyfyniad Arddull ChicagoNational Council of Educational Research and Training (India). Study Group on Supervision and Inspection. Report of the Study Group on Supervision and Inspection. New Delhi: National Council of Educational Research and Training, 1969.
Dyfyniad MLANational Council of Educational Research and Training (India). Study Group on Supervision and Inspection. Report of the Study Group on Supervision and Inspection. National Council of Educational Research and Training, 1969.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.