Yang, Manyuan, and Ning Yang. “Comparison of Soil Active Organic Carbon Fractions in Different Vegetation Zones in Purple-Soil of Hill Slope”. Bangladesh Journal of Botany 49, no. 3 (September 20, 2020): 541–547. Accessed April 19, 2024. https://www.banglajol.info/index.php/BJB/article/view/49637.