Srimad Bhagavatam Canto 10, Chapter 22, Text 05

SB 10.22.5

evam masam vratam ceruh
 kumaryah krsna-cetasah
bhadrakalim samanarcur
 bhuyan nanda-sutah patih
 
Translation: 
 
Thus for an entire month the girls carried out their vow and properly worshiped the goddess Bhadrakali, fully absorbing their minds in Krsna and meditating upon the following thought: “May the son of King Nanda become my husband.”
Srimad Bhagavatam Canto 10, Chapter 22, Text 04
Srimad Bhagavatam Canto 10, Chapter 22, Text 06