I NYOMAN SUWANDI. PROJECT-BASED LEARNING COMBINED WITH WHATSAPP APPLICATION TO DEVELOP STUDENTS’ WRITING SKILLS. International Journal of Social Science, [S. l.], v. 1, n. 1, p. 37–42, 2021. DOI: 10.53625/ijss.v1i1.598. Disponível em: https://bajangjournal.com/index.php/IJSS/article/view/598. Acesso em: 15 jul. 2025.