Permisi gans, mau request: 1 Title: "Recovery of gold and silver in secondary slag from gold refining process by co-precipitation with metal hydroxides" Author: Romchat Chairaksa Publisher: Chulalongkorn University https://www.researchgate.net/publication/27805229_Recovery_of_gold_and_sil
Permisi gans, mau request jurnal berikut: 1 Title: "Recycling of rare earths: a critical review" Author: Koen Binnemans Volume 51, 15 July 2013, Pages 1–22 Publisher: Journal of Cleaner Production http://www.sciencedirect.com/science/article/pii/S0959652612006932/ Thanks in advance gan
