@booklet {kottegoda2013compositions,
	title = {Compositions for sustained release of agricultural macronutrients and process thereof},
	year = {2013},
	note = {US Patent 8,361,185},
	author = {Nilwala Kottegoda and Munaweera, Imalka and Madusanka, A Nadeesh and Karunaratne, Veranja}
}
