MUHAMMAD ARFAN TARIGAN; YOHANNI SYAHRA. An Expert System for Recommendation of Elementary School Readiness Levels for Kindergarten Students Under 7 Years of Age Using the Mamdani Fuzzy Method. Ambidextrous Journal of Innovation Efficiency and Technology in Organization, [S. l.], v. 5, n. 03, p. 557–569, 2026. DOI: 10.61536/ambidextrous.v5i03.900. Disponível em: https://journal.takaza.id/index.php/ambidextrous/article/view/900. Acesso em: 12 oct. 2026.