TY - GEN AU - Fernando , J.N.O. AU - Munasiri , B. AU - Kularatne , K.W.S. AU - Sirimanne , D.S. TI - Physical chemistry I part I SN - 9552306329 U1 - 541.3 PY - 1990/// CY - Nugegoda PB - Open University KW - Chemistry ER -