APA (7th ed.) Citation

Sim Siong, F., Lau, S., Norrafidah, M., & Haslinda, M. (2007). A comparative evaluation on the oxidative approaches for extraction of humic acids from low rank coal of Mukah, Sarawak. Sociedade Brasileira de Qumica.

Chicago Style (17th ed.) Citation

Sim Siong, Fong, Seng Lau, Majri Norrafidah, and Mat Haslinda. A Comparative Evaluation on the Oxidative Approaches for Extraction of Humic Acids from Low Rank Coal of Mukah, Sarawak. Sociedade Brasileira de Qumica, 2007.

MLA (9th ed.) Citation

Sim Siong, Fong, et al. A Comparative Evaluation on the Oxidative Approaches for Extraction of Humic Acids from Low Rank Coal of Mukah, Sarawak. Sociedade Brasileira de Qumica, 2007.

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