Helping dalam pemikiran etika ayn rand = Ethic of helping using ayn rand thoughts

Egoisme rasional studi atas pemikiran Adam Smith dan Ayn Rand = Rational egoism study on thought of Adam Smith and Ayn Rand

Justifikasi Etis dalam Relasi Friends with Benefits dikaji dengan Kerangka Teori Etika Egois AYN RAND = Ethical Justification in Friend Relationship with Benefits Assessed with AYN RAND'S Egoism Theoretical Framework

Hakikat kapitalisme dan keterbatasannya telaah atas pemikiran kapitalisme dari Ayn Rand

Day of my delight : Anglo-Australian memoir / Martin Boyd