The contribution of brand awareness, brand loyalty, social media promotion, and electronic word of mouth to consumer purchase intentions for Xiaomi Midrange smartphone products in Jakarta Juphiter Henry, Liestyaningrum Rahmadhani Wisnu Putri Jurnal Manajemen dan Kewirausahaan Vol. 18 No. 2 2026 DOI 10.55598/jmk.v18i2.206