CÓRDOVA PROCEL, Juan Roberto et al. CALCULATION OF THE VARIABLE COST OF WELDING IN API TANK. mktDESCUBRE, [S.l.], v. 1, n. 2, p. 19 - 28, mar. 2020. ISSN 2602-8522. Available at: <http://revistas.espoch.edu.ec/index.php/mktdescubre/article/view/394>. Date accessed: 25 nov. 2024. doi: http://dx.doi.org/10.36779/mktdescubre/v#.#.