Pengembangan sistem blockchain dan machine-learning dalam proses perencanaan metode konstruksi bangunan gedung pintar untuk efisiensi biaya dan waktu pelaksanaan = Development of blockchain and machine learning system in The process of construction planning method of The smart building to save cost and time

Obama on our minds: the impact of Obama on the psyche of America

Pesta Obama di Bali

Obama's party in Bali

The bridge : the life and rise of Barack Obama