Brihat Parashara Hora Shastra
सूर्यो गुरुः शिखी ज्ञोऽगुः कुजो मन्दो निशाकरः । विना शुक्रं दशाधीशा द्विचयात् सप्ततः समाः ॥ २८॥
The remainder will indicate the Dasha of the Grah concerned. The Dasha order is Sūrya, Guru, Ketu, Budh, Rahu, Mangal, Śani, Candr. The Dashas will be of 7, 9, 11, 13, 15, 17, 19 and 21 years of the Grahas.
english translation
sUryo guruH zikhI jJo'guH kujo mando nizAkaraH । vinA zukraM dazAdhIzA dvicayAt saptataH samAH ॥ 28॥
hk transliteration by Sanscript