00293nam a22001217a 4500 SK 330 អ៊ុន ប៊ុនលាង Mathematical analysis for economics and agriculture RUA អ៊ុន 2001 587p. KB 9118 9118 0 0 0 330_000000000000000_អុន_2001_C064 0 51730 LBC LBC C064 2016-09-06 330 អ៊ុន 2001 C064 A00172 2016-09-06 KB