Nolledo, Jose N. Handbook on obligations and contracts for commerce students / by Jose N. Nolledo. - 1993 Rev. ed. - Mandaluyong City : National Book Store, c1993. - xxxiii, 503 p. : ill. ; 22 cm. ISBN: 9710855751 Subjects--Topical Terms: Obligations (Law)--Philippines.Contracts--Philippines.