நிறுவனம்: SETHMIN Higher Educational Institute - හරියට ඉගෙන ගන්න හරි තැනට එන්න

அனுஷ்கா இந்துனில் (ஆண்) - Revision, Paper, Theory Classes

Chamuditha Jayathilaka (ஆண்) - BSc (Chem Sp), MSc

Waruna Samarakoon (ஆண்) - BSc Engineering (Hons) - University of Moratuwa

Chamara Abeywickrama (ஆண்) - University of Colombo in Chemistry, Biology and Zoology, Dip. in Food Quality Management (SLSI)

Epsilon Science Institute - O/L and A/L classes.
இடங்கள்: ஒன்லைன் வகுப்புக்களை, வாட்டல

ழஹிரு தில்ஷான் (ஆண்) - B.Ed in Biological Sciences (Chem.), HND in Biomedical Sciences

Denuwaka Perera (ஆண்) - B.Sc.(Chemistry) Sp graduate and a school teacher

Nayani Iddamalgoda (பெண்) - BSc Microbiology (University of Kelaniya), Paper Marking examiner, Chemistry teacher of a leading girls school in Gampaha

நிறுவனம்: DSD Higher Education Institute - Classes conducted by degree holders

Iresh Gallindawatte (ஆண்) - Completed master's in Analytical Chemistry, Experience over 6 years

Thilina Hemachandra (ஆண்) - MSc in Analytical Chemistry - UoK, BSc in Chemistry - UoK

Dilshan Rathugama (ஆண்) - BSc (University of Kelaniya)

Ranil Ramanayake (ஆண்) - BSc Engineering Hons - University of Peradeniya, A.M.I.E. (SL)

Nalinda S Atthanayake (ஆண்) - B.Sc special degree in university of Ruhuna.10 year experience