European Journal of Science and Technology, Year 2025 Issue 56 https://ejosat.com.tr/?mod=sayi_detay&sayi_id=4017 European Journal of Science and Technology en 2025-12-01 Investigation of Optical Properties of MnS and MnS: Cu Thin Films https://ejosat.com.tr/?mod=makale_tr_ozet&makale_id=94076 https://ejosat.com.tr/?mod=makale_tr_ozet&makale_id=94076 Muttalip Ergun Turgay 2025-12-01 Mechanical Performance of Recycled Composites for Marine Auxiliary Machinery https://ejosat.com.tr/?mod=makale_tr_ozet&makale_id=94078 https://ejosat.com.tr/?mod=makale_tr_ozet&makale_id=94078 Ömer Şengül ,Hasan YILMAZ 2025-12-01