Commercial strategies from an ’outside-in’ perspective in marketing in micro, small, and medium-sized enterprises (MSMEs) in the commercial and service sectors in Puebla in response to the COVID-19 pandemic. FACE [Internet]. 2022 Aug. 25 [cited 2025 Oct. 16];22(3):140-59. Available from: https://ojs.unipamplona.edu.co/index.php/face/article/view/1451