Djati, S. P. “EMBANGUN EREK ENGAN ENGAKUISISI ERUSAHAAN EALITAS EREK-EREK ANG ERHASIL (STUDI ASUS – OCA OLA, TARBUCKS & M AMPOERNA)”. urnal konomi odernisasi, vol. 1, no. 2, Jan. 2006, pp. 112-9, http://ejournal.unikama.ac.id/index.php/JEKO/article/view/896.