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Udemy instructor

Ersin Cetin

Teaches: Business
Languages: Turkish · English

Course index: 160 live offers
Students: 3.2K
Average rating: 4.09

First published: Feb 2025
Latest course: Jul 2025
Total content: 50 hours

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Instructor catalog

All Ersin Cetin courses

ISO 9001:2026 Standard Revision Changes and Information

ISO 9001:2026 Standard Revision Changes and Information

ISO 9001:2026 Standard Revision Changes and Information

(4.22 with 76 reviews)

1.1K

students

34 minutes

content

Feb 2025

updated

FREE

ISO 22000:2018 LEAD AUDITOR TRAINING

ISO 22000:2018 LEAD AUDITOR TRAINING

ISO 22000:2018 LEAD AUDITOR TRAINING

(3.50 with 2 reviews)

6

students

ISO 9001:2015 QMS LEAD AUDITOR COURSE

ISO 9001:2015 QMS LEAD AUDITOR COURSE

ISO 9001:2015 QMS LEAD AUDITOR COURSE

(4.36 with 29 reviews)

341

students

ISO 20000-1:2018 LEAD AUDITOR TRAINING

ISO 20000-1:2018 LEAD AUDITOR TRAINING

ISO 20000-1:2018 LEAD AUDITOR TRAINING

(4.50 with 18 reviews)

41

students

5.8 hours

content

Apr 2025

updated

$14.99

1.9 hours

content

Apr 2025

updated

$14.99

4.2 hours

content

Feb 2025

updated

$14.99