Selamat malam gan ane minta bantuannya 1. Judul : Inequality and Income Gaps Penulis : Ian Preston 15 Editor(s): Peter J. Lambert ISBN: 978-0-7623-1450-8 eISBN: 978-1-84950-508-6 Publication : Emerald Group Publishing Limited http://www.emeraldinsight.com/doi/pdfplus/10.1016/S1049-2585%
