Brito Garzón, Mónica, 		Escobar Vargas, Iván, AND 		Andrade Martinez, Ana.
" IMPLEMENTATION OF A COSTING SYSTEM IN THE ESPOCH, FROM THE OPTIC OF SOCIAL PROBLEMS OF SCIENCE" <em>mktDESCUBRE</em> [Online], Volume 1 Number 2 (30 March 2020)