TY - BOOK AU - De Leon, Hector S. AU - De Leon, Hector M. TI - The Law on obligations and contracts SN - 978-621-04-0430-2 U1 - GC 346.022 D346 2021 12th ed. PY - 2021/// CY - Quezon City PB - Wiseman's Books Trading KW - Contracts KW - Philippines KW - Obligations (Law) ER -