Analisis perbandingan Brand Equity kamera digital Single Lens Reflex (DSLR) (Suatu Perbandingan antara Kamera Merek Canon, Nikon, Olympus, dan Sony) = comparative study of Brand Equity among digital Single Lens Reflex (DSLR) camera Brands (Comparation between Canon, Nikon, Olympus and Sony ) - Delonika Yuki Eka Putra, author (2011)