THE USE OF DIRECT OBSERVATION TO EVALUATE THE DEGREE OF VISUAL COMFORT IN THE LIBRARY OF GUELMA UNIVERSITY. International Journal of Innovative Technologies in Social Science, [S. l.], n. 4(44), 2025. DOI: 10.31435/ijitss.4(44).2024.3089. Disponível em: https://rspublisher.org/index.php/ijitss/article/view/3089. Acesso em: 17 mar. 2026.