John Estrella

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Books by John Estrella (50 max)

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PMP--practice makes perfect: over 1000 PMP practice questions and answers

2012

John Estrella

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Lessons Learned in Project Management: 140 Tips in 140 Words or Less

2010

John Estrella

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Sample Exam Questions PMI Project Management Professional

2018

John Estrella, Charles Duncan, Sami Zahran, Rossetta Sornabala, Jamal El Ali