hal. 297 - 299.
VENTURA - Journal of Economics, Business, & Accounting Vol. 15 No 3 December 2012 (Rak 6 - L : Ekonomi, Akuntansi & Bisnis)
Media Peternakan: Journal of Animal Science and Technology Vol. 35 No. 2: 73-144 , Agustus 2012 (Rak 7-M : Peternakan)
JKTI (Jurnal Kimia Terapan Indonesia) Vol. 15 No. 2 Desember 2013 (Rak 7 - N : MIPA)
RAK 53
Hal.153-163