(1)
Haque, A.; Siddiqi, M. M. A.; Rahman, A. M.; Hasan, C. M.; Chowdhury, A. S. Isolation of Betulinic Acid and 2,3-Dihydroxyolean-12-En-28-Oic Acid from the Leaves of Callistemon Linearis. Dhaka Univ. J. Sci. 2013, 61, 211-212.