Martin Giesder
Selbstständiger Unternehmensberater und freier Dozent
3.74 (216 reviews)
1
active courses
0
removed courses
Apr 2020
first content date
Feb 2025
last content date
794
total students
216
total reviews
3.74
average rating
2
total content length
Courses
ISO 9001:2015 Qualitätsmanagement System Auditorenkurs
794
students
2 hours
content
Feb 2025
updated
$19.99
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