Of English as a Foreign Language (ATEFL) for the College of Tourism Varna / По английски език за подготовка на кандидат-студенти в Колежа по туризъм - Варна
The Journal of the Decision Sciences Institute
Rewarding Performance
A Selection of Influental Articles
Linking Talent, Technology, Capital, & Know-How
Dynamic Strategies for Winning and Keeping Customers
A Policy Approach
