PAUL, Y., ABDULRAHMAN, B., KAZEEM, I., CHUKWUEBUKA, O. K., NYAKO, A. M. and MIJE, F. G. (2022) “A COMPARATIVE STUDY ON THE EFFECT OF SISAL FIBRE AND WASTE PLASTIC STRIPS IN STRUCTURAL STRENGTH IMPROVEMENT OF TROPICAL BLACK CLAY”, Journal of Engineering Studies and Research, 28(2), pp. 81-91. doi: 10.29081/jesr.v28i2.009.