1. Date production cost comparison in Al-Hassa and India;Ghazal,1982
2. Production of Date Palm in the Arabian and Islamic world;Ahmed,1979
3. Production and marketing of dates in Saudi Arabia;Khalifa,1982
4. Physical measurements, proximate analysis and nutrient elements content of 25 date cultivars grown in Saudi Arabia at the Khalal (mature colour) and Camer (ripe) stages;Sawaya,1982