Influence of principal’s instructional leadership on teacher performance in secondary schools of Thimphu district, Bhutan. Bhutan Journal of Research and Development, [S. l.], v. 11, n. 2, 2022. DOI: 10.17102/bjrd.rub.11.2.034. Disponível em: https://www.bjrd.com.bt/index.php/bjrd/article/view/197. Acesso em: 11 jun. 2026.