RASIDA, I.; SAHONO, B. IMPLEMENTATION OF PORTFOLIO-BASED LEARNING STRATEGIES TO IMPROVE STUDENTS ’WRITING SKILLS. Diadik: Jurnal Ilmiah Teknologi Pendidikan, [S. l.], v. 8, n. 2, p. 1–11, 2021. DOI: 10.33369/diadik.v8i2.17452. Disponível em: https://ejournal.unib.ac.id/diadik/article/view/17452. Acesso em: 30 apr. 2024.