The Impact of Trained and Untrained Teachers on Students’ Performance:  A Study at Secondary School Sibi Balochistan. International journal of interdisciplinary knowledge (IJIK), [S. l.], v. 1, n. 1, p. 1–7, 2026. DOI: 10.67460/ijik.1.1.2026.5. Disponível em: https://www.ijikjournal.com/index.php/ijik/article/view/5. Acesso em: 28 jul. 2026.