Roy , Anirban, and Sushmita Singh. “Investigating the Learning Gaps of Senior-Secondary Children through Original (Real-Life) Biological Images: What Really Lacks?”. Voices of Teachers and Teacher Educators, vol. 10, no. 1, July 2021, pp. p. 177-190, http://ejournals.ncert.gov.in/index.php/vtte/article/view/1706.