Vega Haro S. An analysis of firm and industry effects on performance of small and medium-size Ecuadorian business. XPESCVS [Internet]. 25 de agosto de 2022 [citado 22 de diciembre de 2024];6(15):36-47. Disponible en: https://ojs.supercias.gob.ec/index.php/X-pedientes_Economicos/article/view/105