Hariyanto, Mohamad, & Sukaris Sukaris. " Analysis of Marketing Mix Strategy in Increasing Sales Volume in Angkringan Van Java Dukun Gresik." Journal Universitas Muhammadiyah Gresik Engineering, Social Science, and Health International Conference (UMGESHIC) [Online], 2.1 (2023): 222-228. Web. 23 Nov. 2024