GICHUKI Philip Mwangi. “EFFECT OF PLANTING DATES ON GROWTH AND YIELD OF COMMON BEAN (PHASEOLUS VULGARIS) UNDER VARYING PLANT POPULATION IN HIGHLANDS OF CENTRAL KENYA”. Kabarak Journal of Research & Innovation, vol. 5, no. 2, Jan. 2018, pp. 56-61, doi:10.58216/kjri.v5i2.132.