TY  - GEN
AU  - Rubyge, Lional
TI  - Pehediliwa siteeme kalawa : tarkanukoolawa sitannata mun penveemak
PY  - 1974///
CY  - Colombo
PB  - Hansa
N1  - Sinhalese translation of "The Art of making sense : a guide to logical thinking"
ER  -