Analuisa Aroca, Iván, 		Rodríguez Ulcuango, Olga, AND 		Delgado Rodríguez, Carlos.
" Retired teachers of the ecuadorian magistery and its economic compensation issued in state bonds" <em>mktDESCUBRE</em> [Online], Volume 1 Number 09 (19 June 2017)