Uniciencia - vol.34 issue2

Table of contents
Uniciencia vol.34 n.2 Heredia Jul./Dec. 2020

Artículo

	· Belief system of future teachers on Education for Sustainable Development in math classes Vásquez, Claudia; Seckel, María José; Alsina, Ángel · abstract in English \| Portuguese \| Spanish · text in English \| Spanish · English ( pdf ) \| Spanish ( pdf )

	· Revisiting the fundamentals of p-nitrophenol analysis for its application in the quantification of lipases activity. A graphical update. Syedd-León, Randall; Sandoval-Barrantes, Manuel; Trimiño-Vásquez, Humberto; Villegas-Peñaranda, Luis Roberto; Rodríguez-Rodríguez, Gerardo · abstract in English \| Spanish \| Portuguese · text in Spanish · Spanish ( pdf )

	· Determining basic health intervals in tortugas resbaladoras (Trachemys scripta emolli) of the Caño Negro Wildlife Refuge, Costa Rica Fournier-Gutiérrez, Laura; Herrero, Marco V.; Barrantes-Barrantes, Rosibel; Blanco-Peña, Kinndle · abstract in English \| Spanish \| Portuguese · text in Spanish · Spanish ( pdf )

	· Description and implementation of an algebraic multigrid preconditioner for H¹-conforming finite element schemes Guillén-Oviedo, Helen; Ramírez-Jiménez, Jeremías; Segura-Ugalde, Esteban; Sequeira-Chavarría, Filánder · abstract in English \| Spanish \| Portuguese · text in English · English ( pdf )

	· Physical, chemical, and biological treatment of chemical waste from teaching laboratories at Universidad Nacional, Costa Rica Rodríguez-Rodríguez, Jorengeth Abad; Vargas-Villalobos, Seiling; Aparicio-Mora, Carmen; Nova-Bustos, Nidya; Pinnock-Branford, Margaret · abstract in English \| Spanish \| Portuguese · text in Spanish · Spanish ( pdf )

	· An analysis of the graph interpretation practice in engineering’s students in a laboratory of Physics’ context Garza-Kanagusico, Arianna Berenice; Zaldívar-Rojas, José David; Quiroz-Rivera, Samantha; Rodríguez-García, Carlos Eduardo · abstract in English \| Spanish \| Portuguese · text in Spanish · Spanish ( pdf )

	· Criteria used by mathematics teachers to pose problems in the classroom Pino-Fan, Luis R.; Báez-Huaiquián, Daniela Ilse; Molina-Cabero, Juan G.; Hernández-Arredondo, Elizabeth · abstract in English \| Spanish \| Portuguese · text in Spanish · Spanish ( pdf )

	· Emotional profile of mathematics teachers García-González, María S.; Ramos-Silverio, Josué · abstract in English \| Spanish \| Portuguese · text in Spanish · Spanish ( pdf )

	· Digital information and communication technologies as a didactic resource in the mathematics curriculum Ryokiti Homa-Agostinho, Iaqchan; Oliveira-Groenwald, Claudia Lisete · abstract in English \| Spanish \| Portuguese · text in Spanish · Spanish ( pdf )