APA

Sulaiman A., Maikobi A. & Chinezelum O. (2008). Superiority of using polyurethane foam injection over nitrogen freezing technique as core preservation method. : .

Chicago

Sulaiman A.D.I, Maikobi A.A and Chinezelum O.S. 2008. Superiority of using polyurethane foam injection over nitrogen freezing technique as core preservation method. : .

Harvard

Sulaiman A., Maikobi A. and Chinezelum O. (2008). Superiority of using polyurethane foam injection over nitrogen freezing technique as core preservation method. : .

MLA

Sulaiman A.D.I, Maikobi A.A and Chinezelum O.S. Superiority of using polyurethane foam injection over nitrogen freezing technique as core preservation method. : . 2008.