Abuljadail، M. H. (2023). Open-Ended Questions and Mixed-Mode Survey?: A Comparison between Telephone Survey and Online Survey. المجلة العربية للإدارة، مج43, ع2 ، 387 - 396. مسترجع من http://search.mandumah.com/Record/1505313
Abuljadail، Mohammad Hatim. "Open-Ended Questions and Mixed-Mode Survey?: A Comparison between Telephone Survey and Online Survey." المجلة العربية للإدارة مج43, ع2 (2023): 387 - 396. مسترجع من http://search.mandumah.com/Record/1505313