TY - GEN ED - Sri Lanka Standards Institution, Colombo LK TI - SLS : 1004 : 1993 : Code of hygienic practice for mulluscan shellfish PY - 1993/// CY - Colombo PB - SLSI KW - a639.27:639.2.068 KW - SRI LANKA-STANDARDS KW - STANDARDS-SRI LANKA ER -