Petrov, L., Penov, R., Kolimechkov, S., Alexandrova, A. Julkaisussa Archives of Budo Science of Martial Arts and Extreme Sports (2018) “...Penov, R....”
Petrov, L., Alexandrova, A., Kachaunov, M., Penov, R., Sheytanova, T., Kolimechkov, S. Julkaisussa Pedagogy of Physical Culture and Sports (2021) “...Penov, R....”
Penov, R., Petrov, L., Kolimechkov, S. Julkaisussa Pedagogics, psychology, medical-biological problems of physical training and sports (2020) “...Penov, R....”
Penov, R., Chalakov, M. Julkaisussa Journal of Applied Sports Sciences (2019) “...Penov, R....”
Alexandrova, A., Penov, R., Petrov, L., Zaykova, D. Julkaisussa Journal of Applied Sports Sciences (2018) “...Penov, R....”
Penov, R., Chalakov, M. Julkaisussa Journal of Applied Sports Sciences (2018) “...Penov, R....”
Alexandrova, A., Penov, R., Petrov, L., Cholakov, K., Kolimechkov, S. Julkaisussa European Journal of Physical Education and Sport Science (2018) “...Penov, R....”