Constitutions of the world af Maddex, Robert L. 1942-

Available for University of the Philippines System via Gale Virtual Reference Library. Click here to access

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

Constitutions of the world af Maddex, Robert L. 1942-

Available for University of the Philippines System via Gale Virtual Reference Library. Click here to access

Cha-cha 'key' to MILF impasse af Samonte, Angelo S.

De venecia denies hand in Cha-cha at lower house af Cruz, Maricel V.

Yes to climate change , no to charter change af Barcia, Rhaydy B.

The right time to cha-cha af Danao, Efren L.

Ancestral domain claims violate 1987 constitution - DOJ af Canlas, Jomar

Two good reasons not to Cha-cha. [opinion] af Herrera, Ernesto F.

Ground reminds Nograles about 'Cha-cha' promise af Nicolas, Fort