In the Nómadas revue were published two notes from Antonio Mora Plaza for a fundamental new possible theory economic from Piero Sraffa. This notes were answered for Fernando Hugo Azcurra under a Marxian perspective. More late Antonio Mora Plaza wrote also an answer in two articles under a Sraffian view, but an heterodox view also under into an Sraffian traditional view. This revue bring in here for ours readers theses five mentioned articles.