Juma, Calestous
UN Millenium Project, 2005
Buku Teks
Drucker, Peter Ferdinand, 1909-2005
Harper, 1986
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edited by Yaakov Weber, Shlomo Y. Tarba
Emerald, 2016
eBooks
edited by Jeffrey Furman, Annabelle Gawer, Brian S. Silverman, Scott Stern
Emerald, 2017
eBooks
Jose Machado, Filomena Soares, Germano Veiga, editor
Springer, 2019
Buku Teks