Hays, H.L.
Paatashaaleeya bauthika rasaayana vidyaawa - Colombo Official Language Dept. 1962 - 411p. : ill.
Sinhala translation of "Physical chemistry for schools & coleges" ; Text in Sinhala
541 / H4
Paatashaaleeya bauthika rasaayana vidyaawa - Colombo Official Language Dept. 1962 - 411p. : ill.
Sinhala translation of "Physical chemistry for schools & coleges" ; Text in Sinhala
541 / H4