Gunasekara, Danabala
Vidyawe kata puvata / Danabala Gunasekara - Punchi Boralla Wijesooriya Granta Kendraya 2007 - 341 p.
Includes bubliographical references
955652279X
Science-history
500 / GUN
Vidyawe kata puvata / Danabala Gunasekara - Punchi Boralla Wijesooriya Granta Kendraya 2007 - 341 p.
Includes bubliographical references
955652279X
Science-history
500 / GUN