/Editorial/ Miguel Laufer CRODOWALDO PAVÁN, ONE AMONG THE GREAT, HAS PASSED AWAY 306  /Articles/ Zulay Rivas, José Sánchez, Federico Troncone, Rómulo Márquez, Hilda Ledo de Medina, Marinela Colina and Elizabeth Gutierrez TOTAL NOTROGEN AND PHOSPHORUS FROM TRIBUTARY RIVERS TO THE LAKE OF MARACAIBO SYSTEM, VENEZUELA (in Spanish) 308 Laura M. Castañeda-Sandoval, Mayra de la Torre, Sergio […]