Juma, Calestous
UN Millenium Project, 2005
Buku Teks
by Paul Trott ... [and others]
Routledge, 2016
Buku Teks
Jose Machado, Filomena Soares, Germano Veiga, editor
Springer, 2019
Buku Teks
Drucker, Peter Ferdinand, 1909-2005
Harper, 1986
Buku Teks
edited by Yaakov Weber, Shlomo Y. Tarba
Emerald, 2016
eBooks