00459nam a22001457a 4500 4960 4960 577.14 CHE Institute of Chemistry Ceylon 53 Chemist & The Environment Colombo Institute of Chemistry Ceylon 1972 July 7 85 Theme Seminar - 21 st Annual Session Theme Seminar - 21 st Annual Session Theme Seminar| 21 st Annual Session |Annual sessions 54 BK 0 0 0 NFIC IC IC GEN 2021-10-27 0 577.14 CHE 01480 2022-11-17 00:00:00 2021-10-27 BK