Library and exchange:

▪Pusat Dokumentasi dan Informasi Ilmiah (PDII - LIPI), Sub. Bid. Pangkalan Data Literatur, Jl. Jend. Gatot Subroto No. 10 Jakarta 12710, Indonesia.

▪Index Copernicus International Plc., Archives Department, Al. Jerozolimskie 146 C, 02-305 Warsaw, Poland, European Union.

▪Perpustakaan FALTL, Ged K. Lt. 5 Kampus A USAKTI, Jl Kyai Tapa No. 1, Grogol, Jakbar 11440, Indonesia.

▪International Journal of Modern Manufacturing Technologies, "Gheorghe Asachi" Technical University of Iasi, Romania.

▪Other national and international libraries.