ALOBEIDANI, Mohammed Juma Mohammed; HARON, Sueraya Che. Degree of the availability of the 21st century skills in the social studies textbooks of the twelfth grade of post-basic education in Sultanate of Oman. Journal of Curriculum and Teaching Methodology, New Mexico, United States, v. 1, n. 8, p. 61–85, 2022. DOI: 10.26389/AJSRP.D200222. Disponível em: https://www.ajsrp.ojsexpert.com/index.php/jctm/article/view/5357. Acesso em: 20 dec. 2025.