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Are you Mark Hartley, author of the books below?
Strategic Problem Solving by Mark Hartley Critical Thinking Think Smarter by Mark Hartley Pasta Al Dente by Mark Hartley Critical Thinking Think Smarter by Mark Hartley Block chain Revolution by Mark Hartley Strategic Problem Solving by Mark Hartley Critical Thinking by Mark Hartley Pensamiento Critico Piensa Inteligentemente by Mark Hartley Pensamiento Critico Piensa Inteligentemente by Mark Hartley Grit & Glory by Mark Hartley


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