सुधीर श्रीवास्तव, “कैसे पढ़ाएं गणित?”, PP, vol. 35, no. 3, pp. p.8–12, Nov. 2024, Accessed: Oct. 21, 2025. [Online]. Available: https://ejournals.ncert.gov.in/index.php/pp/article/view/434