Goyal, J. C., & Singh, A. (1977). Utilisation of teacher educators trained as resource persons for experimental projects: A follow up study. Dept. of Teacher Education, National Institute of Education, National Council of Educational Research and Training.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিGoyal, J. C., এবং Ajit Singh. Utilisation of Teacher Educators Trained as Resource Persons for Experimental Projects: A Follow Up Study. New Delhi: Dept. of Teacher Education, National Institute of Education, National Council of Educational Research and Training, 1977.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিGoyal, J. C., এবং Ajit Singh. Utilisation of Teacher Educators Trained as Resource Persons for Experimental Projects: A Follow Up Study. Dept. of Teacher Education, National Institute of Education, National Council of Educational Research and Training, 1977.