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https://blog.karir.com/2016/12/02/ikuti-seminar-mental-toughness-and-workplace-stress-an-exploratory-study-bersama-edgar-tham/
Ikuti Seminar Pertama di Indonesia: “Mental Toughness: The Secret of Your Peak Performance” bersama Edgar Tham, Co-Founder dan Master Trainer dari Mental Toughness Research Institute (USA)