Skandapurana 16.105.47

16.105.47

sadyo'tha navamaḥ proktaḥ īśāno daśamaḥ smṛtaḥ ..
dhyāna ekādaśaḥ proktastathā sārasvato'paraḥ .. 47 ..

then the ninth is declared to be Sadya; the tenth is remembered as Īśāna;
the eleventh is declared to be Dhyāna; and the next is Sārasvata;