Thennakoon, Keerthi Malwatta, Chithrananda
Bhauthika vidyaawe getalu saha visandum 1 kotasa : minum krama, praweegaya, jyaamithika prakaasha vidyaawa ... - Colombo Lake House 1979 - vi, 153p. : ill., tables
Vishwavidyaala prawesha vibhaagaya sandaha ; Text in Sinhala
PHYSICAL SCIENCE-High School
Problems and Solutions
53(076) / T4
Bhauthika vidyaawe getalu saha visandum 1 kotasa : minum krama, praweegaya, jyaamithika prakaasha vidyaawa ... - Colombo Lake House 1979 - vi, 153p. : ill., tables
Vishwavidyaala prawesha vibhaagaya sandaha ; Text in Sinhala
PHYSICAL SCIENCE-High School
Problems and Solutions
53(076) / T4