Aston, Elaine, author
Routledge, 1991
Buku Teks
Syifa Mediati Firdausya, author
Fakultas Farmasi Universitas Indonesia, 2022
UI - Tugas Akhir
Volkema, Roger, author
American Management Association;, 2006
eBooks
McKay, William R., author
Pearson Education , 2011
Buku Teks
Marshall, Peter, author
Glorier International, 2001
Buku Referensi