page: https://www.abeka.com/abekaonline/SampleViewer.aspx?entryNo=5422&sbn=0000428191
Business Mathematics
Format
HLS
WEBM
MP4
FLASH
Quality
HD+
HD
High
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Low
Auto
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//nscdn.abeka.com/demo/11BMDMHA/HLS/11BMDMHA.m3u8
//nscdn.abeka.com/demo/11BMDMHA/WEBM/11BMDMHA_N0390.webm
//nscdn.abeka.com/demo/11BMDMHA/MP4/11BMDMHA_N0390.mp4
//nscdn.abeka.com/demo/11BMDMHA/WEBM/11BMDMHA_N0606.webm
//nscdn.abeka.com/demo/11BMDMHA/WEBM/11BMDMHA_N0914.webm
//nscdn.abeka.com/demo/11BMDMHA/MP4/11BMDMHA_N0606.mp4
//nscdn.abeka.com/demo/11BMDMHA/MP4/11BMDMHA_N0914.mp4