Stonier, A.W. Haig, Douglas C. Ranasinghe, K.M.P. trans.
Aarthika siddhaantha - Colombo Govt. Press 1965 - xiii, 592p.
Text in Sinhala
330 / S8
Aarthika siddhaantha - Colombo Govt. Press 1965 - xiii, 592p.
Text in Sinhala
330 / S8