Vol. 33 No. 2 (2019): Uniciencia. July-December, 2019

Published: 2019-07-31

Original scientific papers (evaluated by academic peers)

Effect of two cytokinins and a growth inhibitor on the in vitro tuberization of two genotypes of Solanum tuberosum L. cvs. Atlantic and Alpha

José Antonio García-García, José Bernal Azofeifa-Bolaños, Frank Solano-Campos, Rafael Orozco-Rodríguez (Author)

1-12
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DOI: https://doi.org/10.15359/ru.33-2.1
Validation of a liquid chromatography detection method (HPLC-DAD) for the determination of aloin in Aloe vera food products

Ricardo Ulate-Molina, Henry Borbón-Alpízar, José Pablo Sibaja-Brenes, Ilena Vega-Guzmán, Maricruz Arguedas-González (Author)

13-26
DOI: https://doi.org/10.15359/ru.33-2.2
Evidence on some pedagogical and didactic trends present in the Costa Rican mathematics curriculum

Marianela Zumbado-Castro (Author)

27-41
DOI: https://doi.org/10.15359/ru.33-2.3
Stochastics and special education teaching: centered and uniform distributions

José Marcos López-Mojica (Author)

42-54
DOI: https://doi.org/10.15359/ru.33-2.4
Mathematical proof: meaning, types, attributed functions, and relevance as part of math teachers’ professional knowledge

Cristian Alfaro-Carvajal, Pablo Flores-Martínez, Gabriela Valverde-Soto (Author)

55-75
DOI: https://doi.org/10.15359/ru.33-2.5
Evaluation of potential contamination of groundwater and spring protection areas of the Maravilla-Chiz and Quebrada Honda sub-basins, Cartago, Costa Rica

Alicia Fonseca-Sánchez, Helga Madrigal-Solís, Christian Núñez-Solís, Hazel Calderón-Sánchez, Geannina Moraga-López, Alicia Gómez-Cruz (Author)

76-97
DOI: https://doi.org/10.15359/ru.33-2.6
Understanding Space Weather: Solar Cycles and Magnetic Rossby Waves

Xiomara Márquez-Artavia (Author)

98-109
DOI: https://doi.org/10.15359/ru.33-2.7
College education of elementary school teachers: the case of mathematics

Marianela Alpízar-Vargas, Ana Lucía Alfaro-Arce (Author)

110-154
DOI: https://doi.org/10.15359/ru.33-2.8