ස්මිත්, සී.ජේ.
මධ්යම භෞතික විද්යාව Maddyama bhauthika vidyaawa : sivvana kotasa : dvani vidyaawa = Intermediate physics part v - acoustics - [Colombo] Educational Publications Department 1964 - xiv, p. 763 - 949 : ill.
PHYSICS
PHYSICS-Acoustics
534 / S6
මධ්යම භෞතික විද්යාව Maddyama bhauthika vidyaawa : sivvana kotasa : dvani vidyaawa = Intermediate physics part v - acoustics - [Colombo] Educational Publications Department 1964 - xiv, p. 763 - 949 : ill.
PHYSICS
PHYSICS-Acoustics
534 / S6