Rithaa J.N.*, Magana A.M. , Nduru G.M. , Githae E. W 2018. Analysis of phenophases that control in-situ establishment of Ocotea usambarensis Engl. in the southern slopes of Mt. Kenya Forest. International Journal of Emerging Trends in Science and Technology. 5, 07 (Jul. 2018), 6674–6687.