YASMEEN YAMIN; DR. MUHAMMAD HAMEED NAWAZ. To Explore the Motivational Techniques Used By Head Teacher to Improve Academic Performance of Secondary School Teachers. Elementary Education Online, [S. l.], v. 19, n. 3, p. 2529–2535, 2023. Disponível em: https://ilkogretim-online.org./index.php/pub/article/view/6983. Acesso em: 30 sep. 2024.