Veri Gazeteciliği csv vs excel 20 Şubat 2010 pinardag Okuma performansı verileri (PISA) http://www.verigazeteciligi.com/wp-content/uploads/2019/02/DP_LIVE_20022019041837771.csv http://www.verigazeteciligi.com/wp-content/uploads/2019/02/DP_LIVE_20022019042026900.csv Kaynak: https://data.oecd.org/pisa/reading-performance-pisa.htm