Learn with Sergey Chernenkov

40% Discount
Bundle 40% discount for COVID19 Quarantine period Coupon Code: LearnAtHome_Bundle_40 (Expiring in 2 months)
30% Discount
Bored in Quarantine? Take advantage of discounted online courses. The discount of 20% applies to my courses to contribute to measures against consequences of 2020 COVID19 pandemic, and drop in the oil prices. Coupon Code: LearnAtHome_30
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