JOURNAL OF BUSINESS & BANKING, Vol. 1, No. 2, Nopember 2011 (Rak 6 / L ) EKONOMI
LANDBAUFORSCHUNG VTI AGRICULTURE AND FORESTRY RESEARCH, Vol. 61 No. 4 12.2011 (Rak 7-M : Pertanian)
JURNAL TANAH TROPIKA ( Journal of Trofical Soils) Vol. 16, No. 2, May 2011 ( RAK 7-M : ILMU TANAH & AIR)
JURNAL TANAH TROPIKA ( Journal of Trofical Soils) Vol. 16, No. 2, May 2011 ( RAK 7-M : ILMU TANAH & AIR)
Jurnal Manajemen Transportasi Vol. 10, No. 2, Mei 2009. (Rak 7-N : Sains dan Tehnologi )
first international workshop on "Practical applications of azolla for rice production", organized by the University of Puerto Rico-Mayaguez Campus
Jurnal Ilmiah GEOMETIKA Vol.14 No.2, Desember 2008 (Rak 7-N: Sains & Teknologi)
CIVIL ENGINEERING DIMENSION : Journal of Civil Engineering Science and Application/Dimensi Teknik Sipil, Vol. 11 Number 1, March 2009 (RAK 7/N)
VENTURA - Journal of Economics, Business, & Accountancy Vol 15 No 2 August 2012 (Rak 6-L : Ekonomi, Akuntansi & Bisnis)
VENTURA : Journal of Economics, Business, & Accountancy Vol. 14 No 2 August 2011 (Rak 6-L : Ekonomi, Akuntansi & Bisnis)