I.P., Gowramma, and Dipak Bhattacharya. “Achievement Test: How It Can Be a Reliable and Valid Tool in Educational Research?”. JOURNAL OF INDIAN EDUCATION, vol. 47, no. 4, Feb. 2022, pp. p. 170-184, http://45.127.197.188:8090/index.php/jie/article/view/3121.