Abduladheim Masoud Mahommed, Bled Abdalah Fadel Abdala, Mohammed Abraheem Mohammed Arqeeq, Hatem Asteil Ahmed Aljazwei, Mohamed Omar Abdalla Salem, و Ahmed Salem Mahmoud Ajdid, "Advances and Challenges in Biochar Application for Soil Amendment and Water Retention: A Global Synthesis ", aajsr, م 3, عدد 3, ص 82–87, 2025, تاريخ الوصول: 11 أغسطس، 2025. [مباشر على الإنترنت]. موجود في: https://aajsr.com/index.php/aajsr/article/view/503