Birkelbach, J., & Ortiz Vargas, R. (2012). ELEMENT CONTENTS OF SOIL AND LEAVES AND THEIR CORRELATION IN FIVE TREE SPECIES IN AN AREA OF THE RESERVA BIOLOGICA ALBERTO BRENES, COSTA RICA. Pensamiento Actual, 2(2). Recuperado a partir de https://revistas.ucr.ac.cr/index.php/pensamiento-actual/article/view/3928