Heriberta, H., D. Hastuti, L. Aprilistiani, and Z. Zamzami. “The Influencing Factors Related To The Development Of Revenue: Retribution On The Testing And Calibration Quality Of Goods And The Effect Of The Service Performance Of Women On Customer Satisfaction”. Opción, Vol. 35, Oct. 2019, pp. 955-71, https://produccioncientifica.luz.edu.ve/index.php/opcion/article/view/30848.