Winardy, Ingrid, Purnama Yanti Purba, Charles Chaniago, and Andika Andika. 2021. “The Positive Impact of Product Quality, Price, And, Promotion on Purchasing Decision of Toyota Innova Cars”. International Journal of Social Science and Business 5 (2):161-66. https://doi.org/10.23887/ijssb.v5i2.35512.