PURBA, B. E.; SINAGA, J. A. B.; SIMARMATA, G. The impact of the five-day school policy on the psychological aspects of students, social development and learning motivation of class XI high school students in Pematangsiantar City. EDUCTUM: Journal Research, [S. l.], v. 5, n. 2, p. 237–243, 2026. DOI: 10.56495/ejr.v5i2.1543. Disponível em: https://www.jurnal.larisma.or.id/index.php/EJR/article/view/1543. Acesso em: 19 mar. 2026.