The Battle of Ghamra took place between Muslim Arab general Khalid ibn al-Walid and the remaining army of Buzakha, 20 miles from Buzakha.
Online Resources A.I. Akram, The Sword of Allah: Khalid bin al-Waleed, His Life and Campaigns Lahore, 1969
References
A.I. Akram, The Sword of Allah: Khalid bin al-Waleed, His Life and Campaigns, Nat. Publishing. House, Rawalpindi (1970) .