In this research, an improved bundle pricing model was established for internet financing schemes based on the utility function of perfect substitute and the utility function of function of bandwidth diminished with increasing bandwidth with the types of financing in the form of flat fees, usage based, and two-part tariffs. The modification model involves a utility function that considers the l…
Iatroduction: Retinoblastoma is a malignant intraocular form that is most commonly found in children ages 2-5 years. Therefore, the purpose of this study was to determine the prevalence of retinoblastoma in RSUP Dr. Mohammad Hoesin Palembang period January 2009-December 2013. Method: This research was a descriptive observational cross-sectional study during July 2013 to January 2014. The popula…