Design, construction and commissioning of a laboratory type drum type magnetic concentrator od Forero-Pinilla, Álvaro, Alarcón-Sichacá, Héctor Hely, Acosta-Hernández, Yesid Rolando

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Political resistance in the saltpetre works of Chacabuco (1973-1975), Antofagasta region, Chile od Tesche Roa, Paula, González, Javier

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Presidentialism in times of pandemic: Ecuador od Torres Maldonado, Ángel Eduardo

Teme: “…Concentration of power…”

Potential use of electrochemically synthesized silver nanoparticles on rice panicle blight pathogen, Burkholderia glumae od Chaves-Bedoya, Giovanni, Padilla, Hilda Angélica, Ortiz-Rojas, Luz Yineth, Peña-Rodríguez, Gabriel

Teme: “…Minimum inhibitory concentration…”

Review. Applications of whey and its proteins derivatives od Aponte Colmenares, Angela Patricia, Prieto Suárez, Gloria Astrid, Castellanos Báez, Yeimy Tatiana, Muvdi Nova, Carlos de Jesús, Yurievich Sakharov, Iván

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Business Groups in Ecuador: a Historical, Economic and Political Analysis od Vanoni Martínez, Giuseppe, Rodriguez Romero, Carlos

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Efecto en fuerza explosiva de miembros inferiores de un plan por modelamiento en pandemia para jugadoras de Fútbol-Sala FIFA od Estupiñán Corredor, Wilmer Alejandro

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