TY - BOOK AU - Afzan Ayub, TI - MENGAWASI JANGKITAN PENYAKIT T2 - Siri Panduan Asas KESELAMATAN SN - 9789673950003 U1 - 571.98 23 PY - 2011/// CY - Petaling Jaya PB - Sama Publications & Distributors Sdn. Bhd. KW - Communicable diseases KW - Juvenile literature KW - Diseases KW - Causes and theories of causation KW - Safety education N1 - Contain exercises ER -