5 1 10 Analisis Korosi Baja Oleh Karbon Dioksida Dengan Inhibitor Cetylamine KARO KARO, Pulung Additional Author SEMBIRING, Simon Primary Author mixed material 14105888 Yogyakarta LPPM - Universitas Sanata Dharma 2008 X-ray diffraction phase analyses of mullite derived from rice husk silica SIMANJUTAK, Wasinton Additional Author SEMBIRING, Simon Primary Author mixed material 16936671 Depok Direktorat Riset dan Pengabdian Masyarakat ... 2012 Silika sekam padi: SIMANJUNTAK, Wasinton Additional Author SEMBIRING, Simon Primary Author mixed material 9786026912008 Yogyakarta Plantaxia 2015 Characteristics of nanosize spinel NixFe3-xO4 prepared by sol-gel method using egg white as emulsifying agent SIMANJUNTAK, Wasinton Additional Author AMALIA, Rizki Additional Author SITUMEANG, Rudy Primary Author WIBOWO, Sukma Additional Author R.SUPRYANTO Additional Author SEPTANTO, Mitra Additional Author MANURUNG, Posman Additional Author SEMBIRING, Simon Additional Author mixed material 14119420 Yogyakarta Department of Chemistry UGM 2015 Karakteristik fisis aluminosilikat geopolimer berbasis silika sekam padi untuk aplikasi fast ionic conductor RIYANTO, Agus Primary Author JUNAIDI Additional Author SEMBIRING, Simon Additional Author mixed material 08520798 Semarang Fakultas Teknik, UNDIP 2017