NASAMBU , C. M.; MUNGAI, J. G.; OTIENO, M. . Influence of Authentic Tasks and Portfolio Assessment on Acquisition of Core Competencies Among Grade Six Learners in Public Primary Schools in Kiambu County, Kenya. Journal of Education, [S. l.], v. 6, n. 4, p. 42–53, 2026. DOI: 10.70619/vol6iss4pp42-53-853. Disponível em: https://edinburgjournals.org/journals/index.php/journal-of-education/article/view/853. Acesso em: 30 jun. 2026.