Chong, J., J. A. Dumas, V. Snyder, and A. Beale. “CHEMICAL AND PHYSICAL PROPERTIES OF TWO HIGHLY WEATHERED SOILS MIXED WITH COMPOST”. The Journal of Agriculture of the University of Puerto Rico, vol. 97, no. 1-2, Apr. 2013, pp. 81-86, doi:10.46429/jaupr.v97i1-2.3041.