Pambudi Sunarjiharto, author
Kaifa, 2018
Buku Teks
Achua, Christopher F., author
South Western Cengage Learning, 2013
Buku Teks
Dewar, Donald L.
Quality Circle Institute , 1984
Buku Teks
Ikeda, Daisaku, 1928-, author
[publisher not identified], [date of publication not identified]
Buku Teks
Ines Titi Sari, author
Universitas Indonesia, 2013
UI - Tesis (Membership)