SINGH, Virendra P. Some Statistical Aspects of Major Operational Incentive Schemes in Indian Schools. JOURNAL OF INDIAN EDUCATION, [S. l.], v. 38, n. 1, p. p. 38–58, 2012. Disponível em: http://ejournals.ncert.gov.in/index.php/jie/article/view/1084. Acesso em: 6 jul. 2025.