Biblio

P. P. Mowli, “Drumstick seed as a coagulant”, in Infrastructure for low-income communities : proceedings of the 16th WEDC conference : Regional Centre for Urban and Environmental Studies (RCUES), Osmania University, Hyderabad, India, 27-31 August, 1990, 1991, pp. P. 131-134: 1 fig., 2 tab.

G. K. Folkard, Sutherland, J. P., and Grant, W. D., “Natural coagulants for appropriate water treatment : a novel approach”, Waterlines, an international journal of water, sanitation and waste, pp. p. 30-32: fig., photogr., 1990.

G. K. Folkard, “Appropriate technology for treatment of potable water in developing countries : coagulants derived from natural materials”, in Recycling in chemical water and wastewater treatment, 1986, pp. P. 79-90.