Gaya APA

Zeolite and Hacalcia as Coating Material for Improving Quality of NPK Fertilizer in Costal Sandy . (2011). Lampung: UNILA- Universitas Lampung.

Gaya MLA

Zeolite and Hacalcia as Coating Material for Improving Quality of NPK Fertilizer in Costal Sandy . . Lampung: UNILA- Universitas Lampung, 2011. Artikel.