1.
Abruña-Rodríguez F, Vicente-Chandler J. Organic-Matter Activity of Some Typical Soils of Puerto Rico. JAUPR [Internet]. 1955 Apr. 1 [cited 2024 Dec. 22];39(2):65-76. Available from: https://revistas.upr.edu/index.php/jaupr/article/view/12684