The Copperbelt University Open Access Catalogue Search for 'su:"PRECIOUS STONES"'

Commodities at a glance: special issue on rare earths

New York United Nations Conference on Trade and Development (UNCTAD) 2014 . vii, 48 pages : illustration

New York 2016 . viii, 67 pages: illustration

By Webster, Robert. London: Newnes-Butterworths 1975 . xviii, 931p.: ill , Includes index. -Bibliography: p. 844-848. 0408705736

By Jobbins, E. Alan. London Butterworths 1990 . x, 390 p., [14] p. of plates : ill. , Includes bibliographical references 0408023201

By Mwansa, Mwansa Mlamfu. Kitwe: Copperbelt University 2015 . xiv, 77p.: ill. , Includes References