JAVED, U.; SHAUKAT, K.; A. HAMEED, I.; IQBAL, F.; MAHBOOB ALAM, T.; LUO, S. A Review of Content-Based and Context-Based Recommendation Systems. International Journal of Emerging Technologies in Learning (iJET), [S. l.], v. 16, n. 03, p. pp. 274–306, 2021. DOI: 10.3991/ijet.v16i03.18851. Disponível em: https://online-journals.org/index.php/i-jet/article/view/18851. Acesso em: 25 jan. 2022.