Djakasaputra, Arifin, Sanny Ekawati, and Rosmita Rasyid. 2021. “ASSISTANCE IN MAKING ONLINE PROMOTIONAL MEDIA AND EFFORTS TO IMPROVE SERVICE QUALITY AT CAR WASH BUSINESS IN TANGERANG”. Journal of Community Service and Engagement 1 (03):8-16. https://doi.org/10.9999/jocosae.v1i03.23.