Gemstones of the world

Natural stone : a guide to selection / Studio Marmo ; text by Frederick Bradley

Reclaiming universities from a runaway world

Conveying, crushing, washing and screening machinery / N. Junkovsky; translated from the Russian by David Sobolev

Kesehatan Dalam Ruang: Pengudaraan Pada Rumah Susun Ditinjau dari Penyebaran Penyakit ISPA = Indoor health: Airing in Low-Cost Apartment from Spread of Acute Respiratory Infection Disease (ARI).