Aggarwal, J. C. (1996). Theory and Principles of Education, Vikas Publishing House Pvt. Ltd, New Delhi.
Aggrawal, J. C. (1988). Teacher and Education in Developing Society, New Delhi, An Appraisal Doaba House.
Aggarwal, Y. P. (1998). Statistical Methods, Concepts, Applicatios and Computation, New Delhi, Sterling Publishers.