58:00 play_arrow TTP-Lesson12-Community and Involvement Padrefields visibility 83 schedule 11 سال پیش favorite
59:22 play_arrow TTP-Lesson10-TheAmericanExperiment Padrefields visibility 73 schedule 11 سال پیش favorite
59:33 play_arrow TTP-Lesson2-Philosophy and Ethics Padrefields visibility 141 schedule 11 سال پیش favorite