http://aulacontable-paccelly.blogspot.com/2010/09/registro-de-la-liquidacion-de-compra.htmlhttp://aulacontable-paccelly.blogspot.com/2010/09/registro-de-la-liquidacion-de-compra.html

PDThttp://aulacontable-paccelly.blogspot.com/2011/12/pdt-planilla-electronica-plame.htmlDISMINUCINES ACTIVO PASIVOhttp://aulacontable-paccelly.blogspot.com/2010/02/partida-doble.html

INTRO ESTRUCT DATOS

https://books.google.com.pe/books?id=r3R3lKn3ccoC&pg=PA93&dq=MODELAMIENTO+DE+DATOS&hl=es-419&sa=X&ei=vJQZVamED4qeggTok4KACA&ved=0CCwQ6AEwAzgU#v=onepage&q=MODELAMIENTO%20DE%20DATOS&f=falseTUTO BASES DE DAThttps://www.youtube.com/watch?v=ShXtbEkVCi4cod compilado BASE DATOShttps://www.youtube.com/watch?v=BbVQFqkpOXshttps://www.youtube.com/watch?v=SpVDFL4pWJE