Ma. Celia M. Raquepo, Carmelita D. Pabustan and Severino S. Magat Ph.D. (2004) “Indicative nutrient supplying capacity and chemical properties of coir dust, coco husk and other coir dust-based materials”, CORD, 20(02), p. 34. doi: 10.37833/cord.v20i02.391.