<![CDATA[Kalkulus]]>
<![CDATA[Theory and Problems of Differential and Integral Calculus (1981)]]>
<![CDATA[Teori dan Soal-soal :]]>
<![CDATA[An Introduction To The Calculus Of Finite Differences And Difference Equations]]>
<![CDATA[Dasar-dasar Kalkulus Penerapannya dalam Ekonomi]]>