DR. SARLA RANI; ANJALI; USHA; SUDESH. A Study of Academic Achievement of Secondary School Students in Relation to Self-Concept. International Journal of Indian Psychȯlogy , [S. l.], v. 11, n. 2, 2022. DOI: 10.25215/1102.280. Disponível em: https://www.ijip.co.in/index.php/ijip/article/view/5427. Acesso em: 20 jun. 2026.