The Opening Speech Delivered by the General Director Dr. Sadrettin Alpan, on the 22nd of June 1965, at the Ceremony to Celebrate the 30th Anniversary of the Mineral Research and Exploration Institute, at the same time Paying Tribute to Members Who Have Completed 25 years of Service

Maden Tetkik ve Arama Dergisi

1965-Cilt: 65 - Sayı: 65

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