Ong, Bob. A B N K K B S N P L A ko?! : mga kuwentong chalk / Bob Ong - First edition. - Pasay City, Philippines : Visprint, Inc., c2013. - 185 pages ; 18 cm. ISBN: 9710545280 Subjects--Topical Terms: ANECDOTESBIOGRAPHIESCLASSROOM ENVIRONMENT LC Class. No.: O54 2013