Cotrina Castañeda, Willian Rafael. 2018. “Technical Economic and Financial Analysis of the Implementation of a Reverse Osmosis System for the Treatment of the Feed Water of the Pirotubular Boiler of 400 BHP Brand Apin to Increase Steam Production in the Company Alicorp S.A.A – Trujillo”. Innovación En Ingeniería 4 (1). https://revistas.ucv.edu.pe/index.php/innovacion/article/view/1833.