Pengaruh sinkronisitas media pada hubungan antara persepsi nilai dan kepuasan terhadap intensi loyalitas (studi terhadap perilaku pengikut akun media sosial IndonesiaBaik.id) = The media synchronicity effect in relationship between value perception and satisfaction on loyalty intention (study on followers behavior of IndonesiaBaik.id social media account) / Khoirun Nisa'