CDN Digital - EJ Obienia's legendary pole vault coach Vitaly Petrov not only clarified that he was paid his dues but also cleared any misunderstanding that he it was him who approached
Tokyo Olympics: Record-setting ways mean vaulter Obiena on right track, says dad-coach | ABS-CBN News
Obiena denies 'falsifying' liquidations submitted to Philippine athletics body | Philstar.com
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Photo Yelena Isinbayeva and Vitaly Petrov - UNIAN
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Runner Universe - Vitaly Petrov Pole Vault Training System... | Facebook
Vitaly Petrov defends EJ Obiena - BusinessWorld Online
Vitaly Petrov on SPIN.ph
Using stiffer pole did wonders for Obiena - Manila Standard
Fabiana Murer, Brazilian Pole Vaulter at Rio2016 Editorial Stock Photo - Image of games, stadium: 76668438
EJ Obiena denies claim of non-payment of coach's salary
Isinbayeva and coach hold clinic in Shanghai - Chinadaily.com.cn
EJ's rise traced to Petrov | Philstar.com
Giuseppe Gibilisco - Wikipedia
Yelena Isinbayeva of Russia (L) listens to her coach Vitaly Petrov after her jump in the women's pole vault event at the Russian Winter Indoor Athletics meeting in Moscow February 7, 2010.
Vitaly Petrov and his WWII Mentor changed the sport of pole vault - Vaulter Magazine - YouTube
Pole vaulter EJ Obiena tops meet with 2016 Olympic champion
