Ruperto G. Martin
Handbook on statutory construction
Introduction to Philippine laws
Philippine constitutional law
Statutory construction
Administrative law
Administrative law, law of public officers, and election law
Administrative law, law of public officers, and election law
Criminal procedure (rules 106-122-A, Rules of court)
Definitions and distinctions and general principles in international law, public & private
Handbook on legal and judicial forms
Law and jurisprudence on public corporations
Law and jurisprudence on the freedom constitution of the Philippines