“Soil Organic Matter Dynamics in Particle Size Fractions As Revealed by the 13C 12C Isotopic”. Libyan Journal of Ecological & Environmental Sciences and Technology 1, no. 2 (December 31, 2019): 14–19. Accessed September 25, 2025. https://www.srcest.org.ly/journal/index.php/ljest/article/view/222.