Канал на Youtube: https://www.youtube.com/channel/UCnO_q293DM3L-7sl6c80wsw
Канал на Youtube: https://www.youtube.com/channel/UCnO_q293DM3L-7sl6c80wsw
Entrepreneur, writer, educator. Founder of Serendipity University Project. https://www.linkedin.com/in/alexkrol