MUSTAFA, G.; NAEEM, M.; HAYAT, N. The Shadow Price of Schooling: Determinants of Household Expenditure on Private Tutoring in Pakistan. Journal of Social Sciences Advancement, [S. l.], v. 6, n. 3, p. 48–55, 2025. DOI: 10.52223/JSSA25-060307. Disponível em: https://www.scienceimpactpub.com/journals/index.php/jssa/article/view/1144. Acesso em: 11 jan. 2026.