Thisera, Sarath රසායන විද්යාව : ප්රායෝගික වැඩ පොත = aposa u peLa rasaayana vidhYaava praayoogika vaedapotha - Pannipitiya : Author, 2017. - viii,212p.; 30cm ISBN: 978-955-38799-0-5 Subjects--Topical Terms: Advance level ExamChemistry Dewey Class. No.: 540.07 / THI