PNG IHDR 8 F {O sRGB sBIT|d pHYs + iTXtXML:com.adobe.xmp 2023-03-21 2d58a862-eb6f-4e75-b610-102ddd69e036 525265914179580 2 2023 E-Poster UPT Perpustakaan ITB - 30 dwinaf.shidiq Canva