APA Citation

Hadi, A. S. (2013). The implementation of cooperative group investigation (CGI) method to improve English speaking skill of the second year students of MA Ma’arif 8 Ihyaul Ulum Lamongan.

Chicago Style Citation

Hadi, Ayu Sofyana. The Implementation of Cooperative Group Investigation (CGI) Method to Improve English Speaking Skill of the Second Year Students of MA Ma’arif 8 Ihyaul Ulum Lamongan. 2013.

MLA Citation

Hadi, Ayu Sofyana. The Implementation of Cooperative Group Investigation (CGI) Method to Improve English Speaking Skill of the Second Year Students of MA Ma’arif 8 Ihyaul Ulum Lamongan. 2013.

Warning: These citations may not always be 100% accurate.