John Estrella

John Estrella

3 ספרים במאגר

ספרים

PMP--practice makes perfectJohn Estrella

PMP--practice makes perfect

John Estrella · 2012

Sample Exam QuestionsJohn Estrella

Sample Exam Questions

John Estrella · 2018

Lessons Learned in Project ManagementJohn Estrella

Lessons Learned in Project Management

John Estrella · 2010