Research on Sprint with Direction Change of 17 – 18-year-old Football Players
Dr. Yavor Yordanov Valchinov ORCID iD: 0000-0002-9269-4139 Department of Football and Tennis Faculty of Sport National Sports Academy “Vasil Levski” ...
Dr. Yavor Yordanov Valchinov ORCID iD: 0000-0002-9269-4139 Department of Football and Tennis Faculty of Sport National Sports Academy “Vasil Levski” ...
Dr. Teodor Georgiev, Chief Assist. Prof. ORCID iD: 0000-0002-8886-0130 Department of Sport Sofia University “St. Kliment Ohridski” Sofia, Bulgaria Е-mail: ...
Prof. Dr. Georgi Ignatov ORCID iD: 0000-0002-3264-8376 Sector “Sports Games and Mountain Sports” Department of Sport Sofia University “St. Kliment ...
София 1113, бул. “Цариградско шосе” № 125, бл. 5