Siriwardena, D.

Siriwardena, D.

September, 2020

Siriwardena, D.

Technology in Traditional Industries, Karmantha 3(12)

Siriwardena, D.

Rural Industrial Development, Dec 1976 : 7-8 p.

From Art to Industry, Karmantha 3(11)

Siriwardena, D.

Nov 1976: 17 p.