“EFFECT OF THE DOSES OF HERBICIDES IN THE CHEMICAL CONTROL OF THE HELIOTROPO (Hedichium Coronarium) IN CORDILLERA, CHIRIQUI, PANAMA. 1993”. Ciencia Agropecuaria, no. 9 (February 9, 1998): 117–126. Accessed October 9, 2026. https://idiap.desarrollo-ojs1.metadatos.org/index.php/ciencia-agropecuaria/article/view/461.