The law on negotiable instruments with documents of title по De Leon, Hector S., De Leon, Hector M. Jr

The law on obligations and contracts по De Leon, Hector S.

Comments and cases on obligations and contracts по De Leon, Hector S., De Leon, Hector M. Jr

Textbook on the Philippine constitution по De Leon, Hector S.

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Student's manual on the new constitution по De Leon, Hector S., De Leon, Hector M. Jr

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The law on sales, agency, and credit transactions по De Leon, Hector S., De Leon, Hector M.

Table of contents only

The law on partnerships and private corporations по De Leon, Hector S.

Table of contents only

The law on income taxation with illustrations, problems, and solutions по De Leon, Hector S.

The law on transfer and business taxation with illustrations, problems, and solutions по De Leon, Hector S.

The law on negotiable instruments with documents of title по De Leon, Hector S.

Table of contents only