UOJ Online Search for 'au:"Mendis, D.L.O."'

Evolution and development of water and soil conservation ecosystems - from ancie

By Mendis, D.L.O.. [S.l] Sri Lanka Pugwash Group 2001 . 92 p. 9559760505

[Ratmalana] Institution of Engineers in Sri Lanka 2001 . lxxx, 325 p. , v.2: part 1 955955911901X

By Mendis, D.L.O.. Colombo Deliverd at the Institution Auditorium 1989 . 52 p.

By Mendis, D.L.O.. Ratmalana Vishva lekha 1999 . xl, 328 p. 9556470018

By Mendis, D.L.O.. Colombo Institution Auditorium 1986 . 34 p.