Welcome to Happy Day Learning Center of Aurora, Inc., where we offer a safe, fun environment for your child to learn. We are committed to providing the highest quality of child care services for each and every child that comes through our door. For over 28 years, Happy Day Learning Center of Aurora has proudly taken care of the children in our community. As a locally owned learning center, we take the time to provide personalized attention to your children and their development.
Jump up ^ Marshall, Lynne; Miller, Judi A. Lapsley; Heller, Laurie M.; Wolgemuth, Keith S.; Hughes, Linda M.; Smith, Shelley D.; Kopke, Richard D. (2009-02-01). "Detecting incipient inner-ear damage from impulse noise with otoacoustic emissions". The Journal of the Acoustical Society of America. 125 (2): 995–1013. Bibcode:2009ASAJ..125..995M. doi:10.1121/1.3050304. ISSN 0001-4966.