Perera, L.K.N.
Lanka kaarmika neethiya saha sevaka sambandatha - [S.I.] L.K.N.Perera, 1974 - xv, 296 p.
Industrial law
343.07 / PER
Lanka kaarmika neethiya saha sevaka sambandatha - [S.I.] L.K.N.Perera, 1974 - xv, 296 p.
Industrial law
343.07 / PER