Yusri J, Rossi E, Pramana A, Zalfiatri Y, Ramayuni R, Rustam R. Digital Marketing Strategy as the Development of “Onspot” Functional Beverage Business in Pekanbaru City. CERS [Internet]. 2021 Sep. 26 [cited 2026 Nov. 4];1(2):98-105. Available from: https://cers.ejournal.unri.ac.id/index.php/cers/article/view/19