Volume & Issue: Volume 21, Issue 4, December 2021 
Big Data Analytics in Airlines: Opportunities and Challenges

Pages 77-112

Hamida Abd El Samie Mohamed; Mahmoud Ramadan Al-Azab


Managing Environmental Natural Resources in The Light of Sustainable Tourism Development

Pages 260-274

Basma Sayed Saleh Mohamed; Rasha Khalil; Nermen Elshahat Nasr


Obstacles to Managing Tourism Natural Resources in Suez Governorate

Pages 275-287

Basma Sayed Saleh Mohamed; Rasha Khalil; Nermen Elshahat Nasr