Parra, Jonathan. “PHYTOCHEMICAL STUDY OF ENDEMIC COSTA RICAN ANNONACEAE SPECIES ANNONA PITTIERI AND CYMBOPETALUM COSTARICENSE”. Journal of the Chilean Chemical Society 66, no. 1 (February 9, 2021): 5047-5050. Accessed December 22, 2024. https://jcchems.com/index.php/JCCHEMS/article/view/1530.