pmbok 6 training videos

9:34

9:59

27:54

53:22

58:07

2:05

46:52

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17:33

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1:24

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1:42

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57:25

17:08

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3:06

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11:57

کوتاه

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2:12

40:27

46:35

26:08

5:00

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28:18

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21:35