Tuag at gymunedau cynaladwy : gwerthusiad o weithredu awdurdodau lleol i hyrwyddo datblygu cynaladwy = Towards sustainable communities : a stocktake of local authority action to promote sustainable de. ISBN 1901719251. Published by Cymdeithas Llywodraeth Leol Cymru in 2002. Publication and catalogue information, links to buy online and reader comments.