Pengaruh penggunaan celebrity endorser terhadap brand image (Studi pada iklan Buavita "be frutarian" versi keluarga frutarian: Darius Sinathrya dan Donna Agnesia) = The effect of celebrity endorser usage on brand image (Study of Buavita's advertising "be frutarian" frutarian family version Darius Sinatrhrya and Donna Agnesia) / Nurdiana Putri Sari ([, Fakultas Ilmu Administrasi Universitas Indonesia], 2014)