Hewage, W.K.
Viyawahaarika ganithaya : gathi vidyawa - Thalawathugoda Virani 1974 - 335p.
Text in sinhala
DYNAMICS
531.3 / H4
Viyawahaarika ganithaya : gathi vidyawa - Thalawathugoda Virani 1974 - 335p.
Text in sinhala
DYNAMICS
531.3 / H4