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  3. Vol. 4 No. 7 (1987)

Vol. 4 No. 7 (1987)

					View Vol. 4 No. 7 (1987)
Published: 2014-08-11

SCIENTIFIC ARTICLE

  • FAUNA HELMINTOLOGICA DE PECES DULCEACUICOLAS DE TABASCO. ESTUDIO PREMILIMAR

    David Osorio Sarabia, Raul Pineda López, Guillermo Salgado Maldonado
    • PDF (Spanish)
  • PRIMER REGISTRO DE Biomphalaria helophila (ORBIGNY, 1835) (PULMONATA: PLANORBIDAE) EN LOS TUXTLAS, VERACRUZ, MEXICO)

    Luis José Rangel Ruiz
    • PDF (Spanish)
  • PLANCTON DE BAHIA DE CHAMELA: ENSAYO FISIOLOGICO DURANTE EL ECLIPSE ANULAR DEL 30 DE MAYO DE 1984

    Samuel Gómez Aguirre, Daniel León Alvarez
    • PDF (Spanish)
  • CLASIFICACION NUMERICA DE LA VEGETACION DE UNA PORCION DE LA MIXTECA ALTA, OAXACA

    Alejandro Flores Martínez, Gladis Isabel Manzanero Medina, Gonzalo Flores Martínez
    • PDF (Spanish)
  • ELABORACION DE BIOABONO A PARTIR DE DIFERENTES EXCRETAS DE ANIMALES BAJO DOS TEMPERATURAS, PARA EL EMPLEO EN ACUICULTURA

    Iliana Osorio Moreno, Guadalupe de la Lanza Espino, José Luis Arredondo Figueroa
    • PDF (Spanish)
  • ESTIMADORES DE Ji-CUADRADA MINIMA PARA MODELOS LINEALES

    Robert J. Flowers
    • PDF (Spanish)

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ECOSISTEMAS Y RECURSOS AGROPECUARIOS (ECOSYSTEMS AND AGRICULTURAL RESOURCES), Year 11, Issue 3, May-August 2020,  is an international journal of continuous publication with a quarterly periodicity,  journal edited, published and distributed by the Universidad Juárez Autónoma de Tabasco, Av. Universidad s/n, Zona de la Cultura, Col. Magisterial, Villahermosa, Centro, Tabasco, CP. 86040, Tel (993) 358 15 00, www.ujat.mx, era@ujat.mx., era@ujat.mx. Editor-in-chief: Efraín de la Cruz Lázaro. Copyright No. 04-2013-120514213600-203, ISSN: 2007-901X, both granted by the Instituto Nacional del Derecho de Autor (National Institute of Copyright), with certificate of title and content No. 16540 granted by the Secretaría de Gobernación (Ministry of the Interior). Individual responsible for the last update of this issue was journal Editorial Assistant Lic. Misael Hernández Martínez, Av. Universidad s/n, Zona de la Cultura, Col. Magisterial, Vhsa, Centro, Tabasco, Mex. C.P. 86040; date of last modification, September 1, 2018.

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