Semde, K., F. W. Kagambega, H. Haro, and S. Ganaba. “Temporal Variation of Seedling Growth and Leaves Type of Four Morphotypes of Lannea Microcarpa Engl.& K. Krause in Burkina Faso”. European Scientific Journal, ESJ, Vol. 16, no. 21, July 2020, p. 364, doi:10.19044/esj.2020.v16n21p364.