BSTRACT OVERVIEW OF HOUSE DUST MITE DENSITY AT STUDENT HOUSE OF SDN 009 PETAPAHAN, GUNUNG TOAR DISTRICT, KUANTAN SINGINGI REGENCY, RIAU PROVINCE By IRVI M RIADI House dust mites are essential in causing allergic diseases such as asthma, allergic rhinitis and atopic dermatitis. In contrast, the main factors affecting house dust mites' growth and development are temperature, humidity, food a…