00422nam a22001577a 4500 20251122141506.0 9789552311420 540 PER Perera, K.Sarath D. 58 Structure and properties of matter: unit 1/ Nawala : OUSL, 2012. viii, 112 p. : ill. ; Foundation certificate programme in Science Chemistry BK 5148 5148 0 0 0 NFIC MLCampus MLCampus GEN 2025-11-11 660.00 0 540 PER 007683 2025-11-14 16:14:22 2025-11-14 BK