TY - BOOK AU - Sprenger,Richard A. TI - Khādy padārthon kī svacchatā kī pustikā SN - 1871912008 (pbk.) : U1 - 641.31 SPR PY - 1993///?] CY - Doncaster PB - Highfield Publications KW - Food service KW - Sanitation KW - Food handling KW - Food industry and trade KW - Great Britain ER -