April 2021

Volume 46 Issue 04

/Editorial/

Miguel Laufer

THE STRUCTURE OF LISTINGS OF REFERENCES

138
/Reports/

Aztrid Elena Estrada-Beltrán, Nora Aideé Salas-Salazar, Rafael Ángel Parra-Quezada, Guadalupe Isela Olivas Orozco, Juan Luis Jacobo-Cuellar, María Antonia Flores-Córdova, Loreto Robles-Hernández, Mayra Cristina Soto-Caballero and María Noemí Frías-Moreno

PROFILE OF VOLATILE COMPOUNDS AND PHYSICOCHEMICAL PARAMETERS OF FOUR APPLE VARIETIES, DURING THEIR TREE MATURATION (in Spanish)

140

Andrea Llorens Vargas, Jimena Alarcón Castro and Javiera Brañes Alarcón

DIGITAL LITERACY AND ICT IN SECONDARY EDUCATION IN CHILE: DIAGNOSIS IN TIMES OF PANDEMIC (in Spanish)

148

Valeria Maldonado Ortega, Yisa María Ochoa Fuentes and Ernesto Cerna Chávez

ADAPTATION OF A SPECTROPHOTOMETRIC TECHNIQUE FOR THE DETECTION OF PESTICIDE RESIDUES IN SOIL AND WATER SAMPLES (in Spanish)

156

Manuel Gutiérrez, Alejandro Sánchez-Atondo, Alejandro Mungaray-Moctezuma and Julio Calderón

ASSESSMENT OF THE ENVIRONMENTAL AND SOCIOECONOMIC IMPACT DERIVED FROM URBANIZATION PROCESSES IN THE VICINITY OF THE TIJUANA RIVER, MEXICO (in Spanish)

162

Víctor P. Díaz-Narváez, Víctor Pedrero Castillo, Alejandro Reyes-Reyes, Mariela Padilla, Farith González-Martínez, Joyce Huberman, Aracelis Calzadilla-Núñez, María G. Silva-Vetri, Silvina B. Villalba, María J. Ulloque, Ana María Erazo-Coronado, Elizabeth López-Tagle, Laura Sánchez-Jiménez, Miriam Bullen Cabrera, Rita Salcedo-Rioja, Fredy Gutiérrez, Jorge Bilbao-Ramírez, Doris Carrasco Mardones, Pilar Torres-Martínez and Pablo A. Sarabia-Álvarez

THE JEFFERSON SCALE OF EMPATHY: MEASUREMENT PROPERTIES, UNDERLYING COMPONENTS, NORMS, AND CUTOFF POINTS IN DENTISTRY STUDENTS IN LATIN AMERICA. A MULTICENTRIC STUDY (in English)

169
/Essays/

Paulina Martínez Pinto

AN ECOLOGICAL SYSTEMIC OBSERVATION AT INTERACTIONS BETWEEN LEVELS, ACADEMIC SUCCESS, AND UNIVERSITY INSTITUCIONAL FUNCTION (in Spanish)

177