Gaya APA
The use of earthworms and household organic waste composting length of time. (2015).
Depok:
Fak. Kesehatan Masyarakat UI.
Gaya MLA
The use of earthworms and household organic waste composting length of time.
.
Depok:
Fak. Kesehatan Masyarakat UI,
2015.
Artikel.