Yunior K, Calvin Chang, Kangga Ega Williyandi, Ivan Leonardo Salim, Lisa Anwar. Effect of Promotion, Price and Product Quality Toward Buying Decision . Mantik [Internet]. 2021Apr.1 [cited 2026Jul.27];5(1):109-15. Available from: https://www.ejournal.iocscience.org/index.php/mantik/article/view/1281