Gaya APA

YULNAFATMAWITA, . et al (2013). Fresh organic matter application to improve aggregate stability of ultisols under wet tropical . Lampung: Department of soil science faculty.

Gaya MLA

YULNAFATMAWITA, . et al. "Fresh organic matter application to improve aggregate stability of ultisols under wet tropical ". Lampung: Department of soil science faculty, 2013. Artikel.