Martial Law is discussed in depth in Martial Law under the 1987 Constitution.

Below are the references that were used should you wish to know more or investigate further.

References

Martial Law: Nature, Principles and Administration by Guillermo S. Santos, 1970

Philippine Political Law: Principles and Concepts by Vicente Guzman Sinco, 11th ed.,1962

Philippine Political Law by Isagani A. Cruz, 2002 ed.

Record of the Constitutional Commission: Proceedings and Debates prepared by the Editorial-Publication Unit under the supervision of Flerida Ruth P. Romero, 1986-

The 1987 Constitution of the Republic of the Philippines: A Commentary by Joaquin G. Bernas, 2009 ed.

Constitutional Control of the Electoral Process and Political Parties by Leo A. Quisumbing, Philippine Law Journal, Vol. 60, 1985

Atty. Francesco Britanico