YAKUBU, F. B., E. C. CHUKWUMA, and E. A. AWOSAN. “Impact of Media on Air-Layering in the Propagation of Dennettia Tripetala (Annonaceae), and Its Micro-Morphological Characteristics”. Notulae Scientia Biologicae, vol. 11, no. 4, Dec. 2019, pp. 392-9, doi:10.15835/nsb11410494.