The parametric cost estimation approach has proved to be an efficient method for analyzing complex systems such as spacecraft, missiles, ships, buildings, etc where cost varies according to a number of parameters. The cost to provision a telecom network also depends on a number of parameters; but little research effort has been applied to estimate cost using this approach. In estimating the cos...

In this paper we survey a number of different social software websites and analyze their revenue models. The main revenue models that we analyzed included advertising, premium memberships, affiliate programs, donations and merchandize sale. The survey will categorize different social software based upon the revenue model being adopted. The main aim of this paper is to highlight the need for stu...

This study investigates the influence of gas price, crude oil price and international coal demand on sales volume, selling revenue, financial performance, business risk stock Indonesia mining is listed Stock Exchange (IDX). The sample companies IDX in period 2014 – 2018. employs a structural equation model using GeSCA software to examine relationship effect between research variables. empirical...

background the non-revenue water refers to a difference between the volume of water entering the system and billed authorized consumption. objectives the main purpose of this study is to determine the volume of non-revenue water in order to recognize the factors influencing water losses so that the information gathered can used in non-revenue water reduction management. materials and methods ka...