The purpose of this research is to find out the influence of product quality, sales promotion, and distribution channel on the level of oyster mushroom sales volume in Kutalimbaru district, North Sumatra, Indonesia. Samples in this study amounted to 50 producers of oyster mushrooms. Data obtained through observations, interviews, literature studies, and the distribution of questionnaires. Data analysis techniques used are multiple regression analysis techniques. The results showed that there is an influence of product quality, sales promotion, and distribution channel of oyster mushrooms to the sales volume of oyster mushrooms in Kutalimbaru District,
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