MHEWA, Mariana M.; MPATE, Hawa M.; CHACHA, Chacha S. Investigating secondary school mathematics teachers’ proficiency with the use of Jigsaw collaborative method in Tanzania. Papers in Education and Development, [S. l.], v. 42, n. 2, 2025. Disponível em: http://196.44.161.124/index.php/ped/article/view/7240. Acesso em: 7 apr. 2026.