Presiden Scientific Journal of Interdisciplinary Studies : scientific journal of president university
Bekasi : President University, Jababeka Education Park, 2006,
 Majalah, Jurnal, Buletin
Siam journal on scientific and statistical computing
The Society for Industrial and Applied Mathematics , 2018
 Majalah, Jurnal, Buletin
Fitri Astuti
Strategi Customer Relationship Manager (CRM) untuk mempertahankan loyalitas konsumen melalui pengelolaan database konsumen sebagai strategi pemasaran produk Pediasure, PT. Abbott Indonesia (Divisi Nutrition) = CRM Strategy to Maintain Customer Loyalty through Managing Consumer Database in order to Support Pediasure Marketing Strategy at PT. Abbott Indonesia
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2006
 UI - Tesis (Membership)
Studying the international diffusion of a national scientific journal
 Artikel Jurnal
Medicinus : Scientific Journal Of Pharmaceutical Development and Medical Application
Jakarta : Dexa Medica, 2008,
 Majalah, Jurnal, Buletin