Neerja Gautam and Jyotpreet Kaur 2015. Effect of Computer Assisted Instructions on Attitude Towards Environmental Pollution of Secondary School Students. MIER Journal of Educational Studies Trends and Practices. 5, 1 (May 2015), 39–51. DOI:https://doi.org/10.52634/mier/2015/v5/i1/1506.