Maqin, R. Abdul, and Nevi Hendri. 2017. “Comparative Analysis: The Effect of Macro and Micro Environment on Marketing Strategy and Marketing Performance of Small Medium Enterprises (Survey on Group of Small Medium Enterprises of Food and Non-Food Products in Cianjur Regency, West Java, Indonesia”. International Review of Management and Marketing 7 (5):70-76. https://econjournals.com/index.php/irmm/article/view/5673.