Severino S. Magat, “Integrated Soil Fertility Management (ISFM) on Coconut + Lanzones (Lansium domesticum Corr) Agro-ecosystem in Southern Mindanao, Philippines (1993 – 2007): with Emphasis on the Multi-Nutrient Coconut-Specific Mineral Fertilizer*. Part II. Influence on Le”, CORD, vol. 25, no. 2, p. 21, Oct. 2009.