Indra Freddy
Pengaruh belanja melalui internet terhadap kepuasan konsumen dalam melakukan belanja melalui internet = Effect analysis of online shopping to satisfaction consumers in doing online shopping
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2013
 UI - Skripsi Membership
Grundy, Peter F.
Doing pragmatics
Edward Arnold, 1995
 Buku Teks
Donnelly, Mark
Doing history
Routledge, 2011
 Buku Teks SO
Marion Wesley Todd
Engineering surveys elementary
Macmillan, 1934
 Buku Teks
Sample surveys in the Escap rigion
United Nations-ESCAP , 1985
 Buku Teks