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Autores Zemanate-Ordoñez, Luis Felipe, Vallejo Trujillo, Lina Marcela, Torres-López, Carlos Andrés, Tipán, Magda Lizeth, Rojas-Velasco, Katherine Patricia, Reyes-Salazar, Jonathan Fernando, Herrera-Zuleta, Ivett Adriana
Publicado 2018-01-01
Descripción:
“...; the calculation of the sample was obtained using the formula of unknown variance and known total population (3,489...”Publicado 2018-01-01