Browsing by Author Weerasuriya, P.S.W
Showing results 1 to 1 of 1
| Issue Date | Title | Author(s) |
|---|---|---|
| 1990 | Study of food hygiene in the public eating houses and food outlets in the Colombo General Electorate of the city of Colombo. | Weerasuriya, P.S.W |