1. Official Gazette The Peruvian . Wholesale trade grows 3.96% in March. (2019) . Retrieved March 07, 2021 , from https://www.elperuano.pe/noticia-comercio-mayorista-crece-396-marzo-79988.aspx Official Gazette The Peruvian. Wholesale trade grows 3.96% in March. (2019). Retrieved March 07, 2021, from https://www.elperuano.pe/noticia-comercio-mayorista-crece-396-marzo-79988.aspx
2. INEI. Technical Report : Monthly survey of the services sector. (2019) . Retrieved March 08, 2021 , from http://m.inei.gob.pe/media/MenuRecursivo/boletines/boletin-del-sector-servicios-01-enero-2020.p_ INEI. Technical Report: Monthly survey of the services sector. (2019). Retrieved March 08, 2021, from http://m.inei.gob.pe/media/MenuRecursivo/boletines/boletin-del-sector-servicios-01-enero-2020.p_
3. Dharmapriya , U. , & Kulatunga , K. ( 2011 ). New Strategy for Warehouse Optimization – Lean warehousing . Proceedings of the 2011 International Conference on Industrial Engineering and Operations Management. Dharmapriya , U., & Kulatunga , K. (2011). New Strategy for Warehouse Optimization – Lean warehousing. Proceedings of the 2011 International Conference on Industrial Engineering and Operations Management.
4. Implementing 5S within a Japanese context: an integrated management system
5. BCRP . ( 2021 ). Statistics . Retrieved June 20, 2021 , from https://www.bcrp.gob.pe/estadisticas.html . BCRP . (2021). Statistics . Retrieved June 20, 2021 , from https://www.bcrp.gob.pe/estadisticas.html .