Zebeir، S. (2020). The Impact of Competitive Strategies and Customer Orientation on Marketing Performance: A Field Study of a Sample of Medicine Producing Companies in Algiers. مجلة إدارة الأعمال والدراسات الاقتصادية، مج6, ع1 ، 109 - 128. مسترجع من http://search.mandumah.com/Record/1107751
Zebeir، Sabrina. "The Impact of Competitive Strategies and Customer Orientation On Marketing Performance: A Field Study of a Sample of Medicine Producing Companies in Algiers." مجلة إدارة الأعمال والدراسات الاقتصادية مج6, ع1 (2020): 109 - 128. مسترجع من http://search.mandumah.com/Record/1107751