December 2018

Volume 43 Issue 12

 

/Editorial/

Miguel Laufer

NEW RYTHMS FOR SCIENCE AND EDUCATION

814
/Reports/

Raúl Bustos González and Carlos Mondaca Rojas

ACADEMIC PERFORMANCE OF MIGRANT STUDENTS IN SCHOOLS OF THE ARICA AND PARINACOTA REGION, NORTHERN CHILE (in Spanish)

816

Nancy Alarcón-Henríquez, Francisco Ganga-Contreras and Liliana Pedraja-Rejas

LEADERSHIP STYLES IN UNION AND GUILD LEADERS IN THE LOS LAGOS REGION, CHILE (in Spanish)

823

Nelson Lara Henríquez, Claudia Ogalde Herrera, Libertad Carrasco-Rios, Juan Chacama Rodríguez and Juan Pablo Ogalde Herrera

PHYSICAL AND CHEMICAL STUDY OF THE FORMATIVE RITUAL SITE AZ-67 (TÚMULO No 1 AND No 2) FROM AZAPA VALLEY, NORTHERN CHILE (in English)

830

Erendira Campeche, Moisés Pérez, Verónica Nava, Uriel Valencia, Reyes López and Fidel Payan

CO2 PRODUCTION IN THE SOIL BY THE ADDITION OF MICROBIAL MIXTURES AND PRUNING WASTE OF Acacia retinodes (Fabales: Fabaceae) (in Spanish)

836

Wesley Jonatar Alves da Cruz, Temilze Gomes Duarte, Germano Guarim Neto and Maria Antonia Carniello

TREE COMMUNITIES ON TERRA FIRME IN THE GUAPORÉ AMAZON REGION (in Portuguese)

841

Rosana de Cassia de Souza Schneider, Célio Seidel Junior, Franccesca Fornasier, Diego de Souza and Valeriano Antonio Corbellini

BIOETHANOL PRODUCTION FROM BROKEN RICE GRAINS (in English)

846

Margarita Tadeo Robledo, Alejandro Espinosa Calderón, J. Jesús García Zavala, Ricardo Lobato Ortiz, Noel O. Gómez Montiel, Mauro Sierra Macías, Roberto Valdivia-Bernal Antonio Turrent Fernández and Benjamin Zamudio González

PRODUCTIVITY OF THREE MAIZE HYBRIDS UNDER DIFFERENT PROPORTIONS OF MALE STERILE AND FERTILE SEEDS (in English)

852

Bryan Yamil Acevedo Lara, Juan Gabriel Ramírez-Pimentel, Cesar Leobardo Aguirre Mancilla, Jorge Covarrubias Prieto and Juan Carlos Raya Pérez

BREAKING DORMANCY IN CASTOR BEAN (Ricinus communis L.) SEEDS (in Spanish)

858

Carmen Araneda Guirriman, Joaquín Gairín Sallán, Liliana Pedraja-Rejas and Emilio Rodríguez-Ponce

PERCEPTIONS ABOUT THE UNIVERSITY STUDENT PROFILE IN THE CONTEXT OF MASS HIGHER EDUCATION: APPROACHES FROM CHILE (in Spanish)

864
/Essays/

César Lodeiros Seijo, Jonathan A. Santana Cabrera, Antonio Jaramillo Arango, Gaspar Soria and Jorge Marcos

SHORT HISTORY OF SPONDYLUS IN THE SOUTH AMERICAN PACIFIC: A SYMBOL THAT RETURNS AT PRESENT (in Spanish)

871