SINGH, Tulsi Kumari. The Impact of Volunteer Motivation (Intrinsic vs. Extrinsic) on Psychological Well-being of NGO Volunteers. Wisdom Vortex: International Journal of Social Science and Humanities, [S. l.], v. 1, n. 2, p. 07–10, 2025. Disponível em: https://wvijsh.shodhmitra.com/index.php/wvijsh/article/view/13. Acesso em: 12 aug. 2026.