Chaurasia, Dr. Prateek. “Investigating Conceptual Changes and Difficulties in Learning Mathematics During the Transitional Phase from Arithmetic to Algebra”. Voices of Teachers and Teacher Educators 10, no. 1 (July 31, 2021): p. 93–101. Accessed April 2, 2026. http://ejournals.ncert.gov.in/index.php/vtte/article/view/1673.