APPLICATION OF 2-DIMENSIONAL ELECTRICAL RESISTIVITY TOMOGRAPHY AND VERTICAL ELECTRICAL SOUNDING IN AQUIFER VULNERABILITY ASSESSMENT IN ABAK, SOUTHERN NIGERIA PP: 04-11     AKANKPO, A. O.1, AKPAN, P. J.2, UMOREN. E. B.3 and ATAT, J. G.4 Global Journal of Engineering and Technology [GJET] (5) 1 PDF On The Lyapunov Theory : Application To LTI Systems PP: 01-03  … Continue reading GJET Vol – 5 Issue – 1 (January 2026)