Allam, Effat. (2024). 'Extension possibilities for developing the olive crop value chain among farmers of Ras Masalla Village in Ras Sudr district, South Sinai Governorate', مجلة الجمعية العلمية للإرشاد الزراعي, 28(1), pp. 68-102. doi: 10.21608/mgiz.2024.264241.1029