Petrović, Dina, Faculty of Philology, University of Belgrade (Serbia)
Petrović, Jelena, Filozofski fakultet u Nišu
Petrović, Jelena, Faculty of Philosophy, Department of Pedagogy, University of Niš (Serbia)
Petrović, Maja, The Faculty of Transport and Traffic Engineering, University of Belgrade (Serbia)
Petrović, Vladan, Faculty of Mechanical Engineering, University of Niš (Serbia)
Predić, Bratislav, Elektronski fakultet (Serbia)
Prodović, Hadži Bojan, Megatrend University, John Nesbit, Belgrade (Serbia)
Prodović Milojković, Biljana, Faculty of Applied Ecology – Futura, Metropolitan University, Belgrade (Serbia)
Prodović Milojković, Biljana, Metropolitan University, Faculty of Applied Ecology - Futura, Belgrade (Serbia)
Prodović Milojković, Biljana, Faculty of Applied Ecology - Futura, Metropolitan University, Belgrade (Serbia)
Protić, Anđela, Pedagogical Faculty in Vranje, University of Niš (Serbia)
Prvulović, Nikola, Faculty of Sport and Physical Education, University of Niš (Serbia)
Pucarević, Bojana, Faculty of Philosophy, University of Niš (Serbia)
Qafzezi, Eriola, Fan S. Noli University, Korca, Albania (Albania)
Raković, Aleksandar, Faculty of Sport and Physical Education, University of Niš (Serbia)
Rančić, Dejan, Elektronski fakultet (Serbia)
Randjelović, Branislav, University of Priština-K. Mitrovica, Faculty of Teachers Education in Prizren-Leposavić (Serbia)
Ranđelović, Branislav, Faculty of Teachers Education in Prizren-Leposavić, University of Priština-K.Mitrovica, (Serbia)
Ranđelović, Dušan, University of Priština with temporary headquarters in Kosovska Mitrovica (Serbia)
Ranđelović, Nebojša (Serbia)
Ranđelović, Nebojša, Faculty of Sport and Physical Education, University of Niš (Serbia)
Ristić, Milica, Pedagogical Faculty in Vranje, University of Niš (Serbia)
Ristić, Milica, University of Niš, Pedagogical Faculty in Vranje (Serbia)
Ristić Gorgiev, Slađana, University of Niš, Faculty of Philosophy, Department of Philosophy
Rusimović, Tanja, Secondary School Gimnazija “Bora Stankovic“, Vranje (Serbia)

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