Erek Erek 21 Buku Mimpi 2D 3D 4D Bergambar dan Kode Alam
2d 21Rp8.700.000. Lebih hemat s.d. 5% pakai bonus di checkout. 2D TC21 PDT ZEBRA SCANNER BARCODE TC-21 -In this work, we introduce helical chirality into 2D COFs using confurationally stable enantiopure and racemic [5]helicenes as linkers in