T. M. Andriamanalina, M. D. Andrianandrasana, M. Raharison, and E. R. Andrianarison, “Self-Healing Concrete by Microorganisms in the Altered Pozzolan of Madagascar with Calcium from Crab Wastes”, Am. J. Educ. Technol., vol. 2, no. 1, pp. 1–9, Jan. 2023.