Ibrahim، W. Y. (2010). THE IMPACT OF PLANNING A TRAINING PROGRAM PROPOSAL FOR THE DEVELOPMENT OF LEADERSHIP SKILLS: FOR SOCIAL WORKERS AND ENVIRONMENTAL SANITATION AWARENESS. مجلة دراسات في الخدمة الاجتماعية والعلوم الإنسانية، ع28, ج2 ، 2 - 69. مسترجع من http://search.mandumah.com/Record/664919
Ibrahim، Wafaa Yousri. "THE IMPACT OF PLANNING A TRAINING PROGRAM PROPOSAL FOR THE DEVELOPMENT OF LEADERSHIP SKILLS: FOR SOCIAL WORKERS AND ENVIRONMENTAL SANITATION AWARENESS." مجلة دراسات في الخدمة الاجتماعية والعلوم الإنسانية ع28, ج2 (2010): 2 - 69. مسترجع من http://search.mandumah.com/Record/664919