Baka po meron kayo ng isa sa mga ito, pa share naman po :)
a.Marakas, George M., (2010). Systems Analysis and Design, 4th Edition, McGraw-Hill Companies
b. Kendall, K. and Kendall, J., (2010). Systems Analysis and Design, 8th Edition, Pearson
c. Witthen, J. L. and Bentley, L. D., (2010)...