[1]
A. Saxena and A. . Behari, “Educational Change and Teachers’ Pedagogical Content Knowledge (PCK): Integration for Professional Development”, IER, vol. 51, no. 2, pp. p. 43–62, Jul. 2013, Accessed: Aug. 19, 2025. [Online]. Available: http://ejournals.ncert.gov.in/index.php/ier/article/view/2688