The Sewa Project Management Model
Dr.Rashid Alleem
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Klaus-Dieter Hupke
Industrial Project Management: Concepts, Tools, and Techniques
Adedeji Badiru & Abidemi Badiru & Adetokunboh Badiru
Social Research Methods: Qualitative and Quantitative Approaches
William Lawrence Neuman
Scrum in Action
Andrew Pham & Phuong van Pham
PMI-RMP (Risk Management Professional)
Carl Pritchard