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chemistrychemistry
A/L Biosystems Technology Online classes

Dulangi Karunarathna (Female) - M.Phil (University of Colombo), BSc (University of Ruhuna), PGDE (Open University), Government Teacher, Practical Examiner


(Online and Physical classes are conducted)
A/L Biosystems Technology Online classes

 Edexcel and Cambridge Chemistry 

online chemistry
online chemistry