پ. ی. د. هەتاو کریم خدر; عثمان برايم حمد. Methodological principles of content analysis and its application in sociology. Polytechnic Journal of Humanities and Social Sciences, [S. l.], v. 4, n. 2, p. 881-889, 2023. DOI: 10.25156/ptjhss.v4n2y2023.pp881-889. Disponível em: https://journals.epu.edu.iq/index.php/ptjhss/article/view/1429. Acesso em: 3 jul. 2024.