Improvements to system of gravel roads in housing scheme at Piyagama, Kosgoda

Mallawaratchie, D.P.Somapala, K.A.D.2018-04-192018-04-191994Transactions - 1994:p.161-173https://dl-iesl.nsf.gov.lk/handle/1/710Improvements to system of gravel roads in housing scheme at Piyagama, KosgodaTechnical Paper