by Macalintal, Pedro Tolentino | Pilar, Dr. Nestor N [author].
by Valdez, Nicky Boy C | Pilar, Dr. Nestor N [adviser].
by De Leon, Luzviminda R | Pilar, Dr. Nestor N [adviser].
by Chaguile, Marilyn Batnag | Pilar, Dr. Nestor N [adviser].