Warther، B. (1978). Observing The Race Between Education and Disaster. مجلة التربية، ع30 ، 11. مسترجع من http://search.mandumah.com/Record/680999
Warther، Betty. "Observing The Race Between Education and Disaster." مجلة التربية ع30 (1978): 11. مسترجع من http://search.mandumah.com/Record/680999