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Keith Cooper, The Use of Scientific Method in Assessing Religious Conceptual SystemsDissertation, The University of Wisconsin - Madison. 1988.
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Keith Cooper, Scientific Method and the Appraisal of Religion: KEITH J. COOPERReligious Studies 21 (3): 319-329. 1985.
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Keith Cooper, Here We Go Again: Pike vs. Plantinga on the Problem of EvilInternational Journal for Philosophy of Religion 14 (2). 1983.