16. Enlaces de libros
• https://books.google.com.do/books?id=GPVj7aqTXZAC&printsec=frontcover
• https://books.google.com.do/books?id=O3dQAQAACAAJ&dq=%22manageria
• https://books.google.com.do/books?id=IXkvAAAAQBAJ&dq=
%22managerial+economics%22+inauthor:keat&hl=es-
419&sa=X&redir_esc=y