TY - BOOK AU - LAM Peng Kwan TI - Practical biology : for 'O' level SN - 9810172656 (paperback) U1 - QH/317 PY - 1990/// CY - Singapore PB - Federal Publications Pte Ltd KW - Biology -- Laboratory manuals. N1 - Notes Registration No: 9152 (1am). Serials holdings B$$11.80 ER -