Gaya APA

Characterization of humic substance extracted from andisols, spodosols, peat, and lignite. (2017). : Departmen of soil Science, Faculty of Agriculture UNS.

Gaya MLA

Characterization of humic substance extracted from andisols, spodosols, peat, and lignite. . : Departmen of soil Science, Faculty of Agriculture UNS, 2017. Artikel.