“…All the previous problems must be dealt with according to five main stages: analysis, set up, stability, improvement, and excellence. In this paper, based on the proposal of principles, methods and tools to aid during the decision-making process for the analysis stage of NFI and GSND by Martínez et al (2013), we review the scientific literature related to these principles, methods and tools for the analysis stage in order to identify the key quantitative parameters that allow the detailed evaluation of strategic, tactical and operational key decisions for NFI and tactical and operational key decisions for GSND that must be made before devising the internationalization plan. Martinez (2013) proposes different principles, methods and tools to evaluate the key internationalization of operations' decisions made in the analysis stage.…”