Edo, T. M., and C. O. Aigbogun. “EVALUATION OF VIBRATION MAGNITUDE FROM STAGGERED DRILLED HOLE PATTERNS IN A LIMESTONE MINE, OKPELLA, EDO STATE, NIGERIA”. FUDMA JOURNAL OF SCIENCES, Vol. 9, no. 7, July 2025, pp. 222 -5, doi:10.33003/fjs-2025-0907-3787.