Sproull Bob. (2018). Problem Solving, Problem Prevention and Decision Making Guide. Routledge.
Chicago Style (17. basım) AtıfSproull Bob. Problem Solving, Problem Prevention and Decision Making Guide. Routledge, 2018.
MLA (9th ed.) AtıfSproull Bob. Problem Solving, Problem Prevention and Decision Making Guide. Routledge, 2018.
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