Search for 'an:1 and su-to:Sri Lanka and itype:MG and itype:WP and au:Wijayasiri, Janaka'

Trade and transportation audit: , Sri Lanka

By Jayaratne, Suwendrani. Colombo Institute of Policy Studies 2016 . 59p. 29.5cm. 9789558708972

By Jayaratne, Suwendrani. Colombo Institute of Policy Studies 2016 . vi, 26p 30cm. 9789558708927

By Gunetilleke, Neranjana. Colombo Institute of Policy Studies 1999 . 35p. 30 cm.