සාමාන්ය රසායනය
Jayathilake, W. D. W
සාමාන්ය රසායනය [Text] = Samanya Rasayanaya Jayathilaka, W. D. W. - Pannipitiya Samintaka 1991 - 188 p. 22 cm - Samanya saha Akabanika Rasayanaya .
Text in sinhala
Chemistry
540 / JAY
සාමාන්ය රසායනය [Text] = Samanya Rasayanaya Jayathilaka, W. D. W. - Pannipitiya Samintaka 1991 - 188 p. 22 cm - Samanya saha Akabanika Rasayanaya .
Text in sinhala
Chemistry
540 / JAY