Analisis pengaruh aktivitas Social Media Marketing terhadap Loyalty Intentions : studi pada PT. Bank Negara Indonesia (Persero), Tbk = Analysis of Social Media Marketing activities effects on Loyalty Intentions: a study on PT. Bank Negara Indonesia (Persero), Tbk / Qashash Lasasi Afimanya - Qashash Lasasi Afimanya, author (Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2013)