International business : competing in the global marketplace / Charles W.L. Hill
Global business today / Charles W.L. Hill
Gerakan massa / Eric Hoffer
Perspektif studi sosial / Nursid Sumaatmadja, R. Murray Thomas
Perubahan sosial di Jogyakarta / Selo Sumardjan
Pertikaian peradaban : The clas of civilitatins / Samuel P.Hutington, et.al.; penerjemah Hasan Bahanan
Teori sosiologi tentang perubahan sosial