Raina, Amrit. Sikh Guruon ki shaikshanik den / Dr. Amrit Raina. - Chandigarh : Unistar Books, 2004. - 192p. ISBN: Rs.175/- Subjects--Topical Terms: Sikhism--Nanak Dev (Guru)--Biography--Philosophy.Sikh gurus--Sikh preaching.