LEE, DongJoon, 		HAN, Sangheon, 		ONO, Yuji, AND 		OH, Joonghwa.
" THE EQUIVALENCE OF BERTRAND EQUILIBRIUM IN A DIFFERENTIATED DUOPOLY AND COURNOT EQUILIBRIUM IN A DIFFERENTIATED OLIGOPOLY" <em>Theoretical and Practical Research in Economic Fields</em> [Online], Volume 7 Number 2 (31 December 2016)