Sharma, S. ., Yadav, S. ., Rath, K. ., Niwas, R. ., Horo, A. ., & Pratap, R. . (2015). An Investigation into the Conceptual Understanding of Students in the Light of Thinking Skills Approach. THE PRIMARY TEACHER, 40(1), p.88-98. http://14.139.250.109/index.php/tpt/article/view/1205