1] M. El-Abbas Mustafa Advancing the quantification of forest cover loss using Multi-Spectro-Temporal imagery in Blue Nile region" - FORESTRY SCIENCE AND PRACTICE FOR THE PURPOSE OF SUSTAINABLE DEVELOPMENT OF FORESTRY 2012, 02.09.2012.
(https://ekonferencije.com/hr/rad/advancing-the-quantification-o/1695)

2] M. El-Abbas Mustafa Potentials of Non-wood forest products in medical uses. Case Study of the Nuba Mountains, Sudan" - FORESTRY SCIENCE AND PRACTICE FOR THE PURPOSE OF SUSTAINABLE DEVELOPMENT OF FORESTRY 2012, 20.07.2012.
(https://ekonferencije.com/hr/rad/potentials-of-non-wood-forest-/1614)