Vol. 33 No. 1: Continous publication

View Vol. 33 No. 1: Continous publication

Published: 2025-07-21

Presentación

Presentación

Aura Lissete Madariaga Monroy

Original Research Papers

Original article: Municipal wastewater treatment plants as sources of microplastic pollution

Elsa María de Fátima Reyes Morales, Flor Mayarí Barreno Ortíz, Jaqueline Graciela Rodriguez Samol, Joseline Mishelle López Par

1-15
Relationship between body mass index and serum vitamin D levels in Guatemalan adults

Erika Viktoria Poitán Us, Krista Zaret Valladares Dominguez, Karla Rosángel Cordón-Arrivillaga, Cecilia Liska de Leon

1-14
Quality control of a brand of echinacea root herbal teas commercialized in Costa Rica using the RTCA 11.03.56:09

Dayanna Marín Sánchez, Arlene Loria Gutierrez, Jeimy Blanco Barrantes, Juan José Mora Román

1-19

Scientific Essays

Scientific essay: Exploring qualitative methodologies that contribute to strengthening the scientific research process

Wener Armando Ochoa Orozco

1-15

Case Reports

Case report: Olive-backed Euphonia (Euphonia gouldi) with deformed beak in Guatemala

Daniel Tenez

1-12

Colaboradores para esta edición

colaboradores, edición 33(1)

Aura Lissete MAdaiaga Monroy