STUDY OF CHANGES IN PRODUCTIVITY INDEX OF SELECTED INDIAN BANKS BY APPLYING DEA BASED MALMQUIST INDEX TECHNIQUE. International Journal of Food and Nutritional Sciences, [S. l.], v. 11, n. 10, p. 6952–6958, 2022. Disponível em: https://www.ijfans.org/index.php/Journal/article/view/11458. Acesso em: 14 aug. 2026.