PUSPITASARI, Indriani Ika; SUYATNO; HASANAH, Enung. How do professional teachers use cross-subject projects to develop students’ collaboration competence?. Journal of Professional Teacher Education, [S. l.], v. 4, n. 1, p. 96–108, 2026. DOI: 10.12928/jprotect.v4i1.2276. Disponível em: http://journal1.uad.ac.id/index.php/JPROTECT/article/view/2276. Acesso em: 20 aug. 2026.