Which Article of the statute of ICJ provides for sources of International Law?

Statute of ICJ Art. 38. 1) The Court, whose function is to decide in accordance with International law, such disputes as are submitted to it, shall apply; a) International Conventions, whether general or particular, establishing rules expressly  recognized by contesting States. b) International Custom as evidence of general practice accepted by law. c) General principles of law recognized by civilized nations. d) Subject to provisions of Article 59, judicial decisions and teachings of most highly  qualified publicist of various nations, as subsidiary means for determining the rules of  law.