The impact of PEST factors and marketing strategies on libraries in Libya and Egypt: theoretical study . مجلة جامعة الزيتونة , [S. l.], n. 55, p. 191–200, 2025. DOI: 10.35778/jazu.i55.a568. Disponível em: https://www.azzujournal.com/index.php/azujournal/article/view/568. Acesso em: 11 2025.