The, Ivan Kristal Tahir and Sjafei, Netta J. (2011) Feasibility Study of Semi Refined Processor of Carragenan (For CV. Mitra Sejahtera). Bachelor thesis, Swiss German University.

Prayudi, Cynthia Kurnia and Sjafei, Netta J. (2010) Analysis of Pertamina Way Program in Improving the Image of Pertamina. Bachelor thesis, Swiss German University.

Handayani, Indah and Sjafei, Netta J. (2010) Analysis of Value Creation By PT Smart Telecom Toward Customer Satisfaction. Bachelor thesis, Swiss German University.

Gunawan, Helen and Sjafei, Netta J. (2010) Analyzing Import Procedures in Indonesia for Kettenwulf Company. Bachelor thesis, Swiss German University.

Tanner, Anthony and Sjafei, Netta J. (2010) Marketing Mix Strategy of Frozen Yogurt Company Towards Customer Purchase Decision: Case Study of Sour Sally And Tutti Frutti at Senayan City. Bachelor thesis, Swiss German University.

Sudjarwo, Arya Raditya and Sjafei, Netta J. (2009) Marketing Analysis of Kukubima Ener-G. Bachelor thesis, Swiss German University.

Rudiatmo, Indra and Sjafei, Netta J. (2008) Analysis of Hypermarket Industry and Its Impacts on Traditional Markets in Ciputat and BSD City Area (Descriptive Case Hypermart Matahari). Bachelor thesis, Swiss German University.