Analisis pengembangan strategi aliansi peritel asing terhadap tingkat komitmen kerjasama pemasok skala UKM dalam membangun bisnis ritel di Indonesia : studi kasus pada pemasok peritel asing di wilayah DKI Jakarta = Analysis of the impact of foreign retailer alliance strategy towards SME scale supplier's partnership commitment in developing retail business in Indonesia (case study : SME scale suppliers within DKI Jakarta)