Gaya APA

NUGROHO, S, G. et al (2012). Optimum ratio of fresg manure and grain size of phosphate rock mixture in a formulated compost for . Lampung: Department of Soil Science Faculty of Agriculture.

Gaya MLA

NUGROHO, Sutopo, Ghani. et al. "Optimum ratio of fresg manure and grain size of phosphate rock mixture in a formulated compost for ". Lampung: Department of Soil Science Faculty of Agriculture, 2012. Artikel.