RODRÍGUEZ LEYVA, Odalis Zenaida; GONZÁLEZ RODRÍGUEZ, Yolanda. An upgrading program for training the teachers aimed at the treatment of health education of the Agronomy special. LUZ, [S.l.], v. 11, n. 3, p. 1, july 2012. ISSN 1814-151X. Available at: <https://luz.uho.edu.cu/index.php/luz/article/view/565>. Date accessed: 01 dec. 2019.