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Our Programs
Corporate Training Solutions
English
Bahasa Indonesia (BIPA)
For international staff in Indonesia
Train the Trainers
Upskill your in-house trainers
About CELS
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CELS is a professional language training provider
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specializing in corporate communication
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business language development
With more than 15 years of experience, our focus is on relevant language tailored to the needs of corporate professionals.
Some of Our Clients
Get in Touch
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