(1) Ahmad, Maqbool,2008, Dictionary of Education, Atlantic Publication, New Delhi (p-122)
(2) Kapil, H.K., Fundamental Elements of Statistics, Vinod Prakashan
(3) Bhargav, Mahesh, Aadhunik Manovegyanik Parikshan & Mapan
(4) www.creativetallis.com/........./creativity-in-
(5) www.itari.in/categories/creativity/19.pdf