Stephanie, a. N. G. (2007). Characterization of freeze dried and oven dried nitrohumic acids derived from the Mukah coal, Sarawak. Universiti Malaysia Sarawak, UNIMAS.
シカゴスタイル引用形Stephanie, anak Nawang Gayet. Characterization of Freeze Dried and Oven Dried Nitrohumic Acids Derived From the Mukah Coal, Sarawak. Universiti Malaysia Sarawak, UNIMAS, 2007.
MLA引用形式Stephanie, anak Nawang Gayet. Characterization of Freeze Dried and Oven Dried Nitrohumic Acids Derived From the Mukah Coal, Sarawak. Universiti Malaysia Sarawak, UNIMAS, 2007.
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