14. Collins, William, Cuevas Gilbert, Foster Alan, Gordon Berche (1997) Algebra Integration and Applications Connection, Glencoe Mc Graw Hill
15. Las Peñas, Ma. Louise (2001) Studying Mathematics with the Aid of Graphics Calculator, Ateneo de Manila University
16. Sullivan, Michael (2001) College Algebra: Graphing and Data Analysis, 2nd Edition Prentice Hall 2001
17. Ulep Sol et Al, SMEMDP, High School Mathematics 3 and 4 Sourcebook on Practical Work for Teacher Trainors
18. Stephen Krulick and Rudnick Jesse (1996). The New Sourcebook for Teaching Reasoning and Problem Solving in Junior and High School Needham Massachusetts: Simon and Schuster CompanyPrepared by: Approved by:<br />Maria Theresa P. Pelones,DM Salome F. Sestina , MAThelma B. Pagunsan, MS<br />Faculty Chairman, BSED Dean<br />