https://buddhistas.wordpress.com/2017/03/04/curso-de-jhanas-ii-segunda-entrega-las-instrucciones-textuales-de-tres-suttas/
I don’t understand Spanish but this looks very interesting translated through google. Would anyone be kind enough to do a proper translation of this essay into English?
For whoever is interested in the full text of the sutta in Spanish:
SuttaCentral