Suganda, Uce Karna. 2022. “‘THE EFFECT OF PROMOTION AND PERCEPTION OF THE QUALITY OF ADVAN SMARTPHONE PRODUCTS ON PURCHASE INTEREST IN THE DUKOMSEL STORE BANDUNG’”. CENTRAL ASIA AND THE CAUCASUS 23 (1): 1119-25. https://ca-c.org/CAC/index.php/cac/article/view/146.