A Comparative Study of PECS and Educational Bonds Strategies in Developing First Grade Intermediate Students’ Mathematical Problem-Solving Skills . Al-Noor Journal for Humanities, [S. l.], v. 1, n. 2, 2024. DOI: 10.69513/jnfh.v1.i.2.ar3. Disponível em: https://jnfh.alnoor.edu.iq/jnfh/article/view/59.. Acesso em: 19 sep. 2024.