Abdul Redha Alwan, N. (2005). The importance of developing tourism services and its effects in the evaluation of the performance of hotels A field study of a sample of first-class hotels and excellent (Babylon and Mansour. , 0(57), 211-239.
Nawfal Abdul Redha Alwan. "The importance of developing tourism services and its effects in the evaluation of the performance of hotels A field study of a sample of first-class hotels and excellent (Babylon and Mansour". , 0, 57, 2005, 211-239.
Abdul Redha Alwan, N. (2005). 'The importance of developing tourism services and its effects in the evaluation of the performance of hotels A field study of a sample of first-class hotels and excellent (Babylon and Mansour', , 0(57), pp. 211-239.
Abdul Redha Alwan, N. The importance of developing tourism services and its effects in the evaluation of the performance of hotels A field study of a sample of first-class hotels and excellent (Babylon and Mansour. , 2005; 0(57): 211-239.


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