Ichthyoplankton assemblages in the Gulf of Nicoya and Golfo Dulce embayments, Pacific coast of Costa Rica

by Molina-Ureña, Helena
Published 1996

El pez león del Indo-Pacífico: Nueva especie invasora en Costa Rica

by Molina Ureña, Helena
Published 2016

Ontogenic changes in the feeding habits of the fishes Agonostomus monticola (Mugilidae) and Brycon behreae (Characidae), Térraba River, Costa Rica

by Cotta-Ribeiro, Thiago, Molina-Ureña, Helena
Published 2009

El profesor universitario: Entre el conformismo y la creatividad

by Molina Ureña, Helena, Pierre Murray, Kattia, Sáenz Fonseca, Jorge
Published 2010

Hallazgo de Bradypus griseus y Choloepus hoffmannii (Edentata: Bradypodidae) en tierras altas de Costa Rica

by Molina Ureña, Helena, Roldán Chacón, Carmen, Sáenz Faerrón, Alexandra, Torres Lizano, Sandra
Published 1986

COMMUNITY STRUCTURE OF EASTERN PACIFIC REEF FISHES (GULF OF PAPAGAYO, COSTA RICA)

by Dominici-Arosemena, Arturo, Brugnoli-Olivera, Ernesto, Cortés~ Núñez, Jorge, Molina-Ureña, Helena, Quesada-Alpizar, Marco
Published 2005

Ictioplancton en la zona portuaria de Limón, Costa Rica

by Dominici-Arosemena, Arturo, Brugnoli-Olivera, Ernesto, Solano-Ulate, Sylvia, Molina-Ureña, Helena, Ramírez Coghi, Ana Rosa
Published 2000