پ. ی. د. هەتاو کریم خدر, عثمان برايم حمد. Methodological principles of content analysis and its application in sociology. Polytechnic J. Hum. Soc. Sci. [Internet]. 2023Dec.20 [cited 2024Jul.3];4(2):881-9. Available from: https://journals.epu.edu.iq/index.php/ptjhss/article/view/1429