Komarudin, AS; Sulasmoro, Bambang; Pulungan, Linda; Manan, Hilyati
(Ethos: Jurnal Penelitian dan Pengabdian (Sains & Teknologi), 2005)
The role of industrial minerals in urban and rural development is significant enough, such as agriculture areas which need zeolite and calotte etc. One of the industrial minerals which can be use dasfertilizerfor agriculture ...