selamat malem gan tolong dong request di bawah ini :) terimakasih Title: "The Income Smoothing Hypothesis Revisited" Author: Norm Eckel Volume 17, Number 1/1981 Publisher: ABACUS http://onlinelibrary.wiley.com/doi/10.1111/j.1467-6281.1981.tb00099.x/abstract
