A. M. Petrovic, “Transsectoral investigation of a showing of the sense of the human energy (Studing rewiewing the book of prof. PhD Chaslav Koprivitsa: Philosophy of engagement)”, Zb rad Filoz fak Priština, vol. 46, no. 1, Apr. 2016, doi: 10.5937/zrffp46-8100.