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Beginner’s Guide to Ruby
Online Certification by
Asian Institute of Gemological Sciences
Understanding gemstones can be a rewarding experience, especially if that knowledge is shared in simple language and in a truly passionate fashion. In this new program, AIGS and Rui Galopim de Carvalho ...
Online Self-Paced
USD 120.00
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Understanding gemstones can be a rewarding experience, especially if that knowledge is shared in simple language and in a truly passionate fashion. In this new program, AIGS and Rui Galopim de Carvalho ...
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