{{cite journal | last1=Nazia | first1=R. | author2=F. Liang | author3=S. Huang | author4=B.Wang | author5=M. Xu | author6=J. Li | author7=H. Gao | author8=W. Zhang | year=2019 | title=LONG-TERM FERTILIZATION ALTERED LABILE SOIL ORGANIC CARBON FRACTIONS IN UPLAND SOILS OF CHINA | journal=Journal of Animal and Plant Sciences | volume=29 | issue=5 | pages=20-40 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2019-JAPS-519}}