You may email us at the following email addresses below.
PIsigmadelta_1975@yahoo.com
pisigmadelta.35th@gmail.com
psd_diliman@yahoo.com

UP Diliman
Ana Kristine Castuera
Cell: 09279775719
Email : ana_nymouz@yahoo.com

Maristel Suliva
Cell: 09155019690
Email: mcsuliva@gmail.com