Match the following

List-I	List-II
a. As long as the study of public administration is not comparative claims for a science of public administration sound rather hollow.	1. Riggs
b. Bureaucratic structures are necessary but not sufficient structures for a productive and responsive public service economy.	2. Weidner
c. Development administration is an action oriented, goal-oriented administrative system.	3. Robert Dahl
d. A public administration which fails to work for changes, which try to redress the deprivation of minorities will likely be eventually used to repress those minorities.	4. Ostrom
	5. Fredrickson