Belaoudja، H.، و Hamdani، N. (2021). Contribution of Administrative Factors in Improving Relationship between Taxpayer and Tax Administration in Algeria: A Statistical Study Sample. مجلة مجاميع المعرفة، مج7, ع1 ، 67 - 84. مسترجع من http://search.mandumah.com/Record/1200377
Belaoudja، Hassina، و Nadjet Hamdani. "Contribution of Administrative Factors in Improving Relationship between Taxpayer and Tax Administration in Algeria: A Statistical Study Sample." مجلة مجاميع المعرفة مج7, ع1 (2021): 67 - 84. مسترجع من http://search.mandumah.com/Record/1200377