Interpolation of grouped data by use of a cubic function

Interpolation of grouped data by use of a cubic function text Jakarta Lembaga Demografi FEUI 1978 ii, 37 p. ill.; 30 cm. PENDUDUK 312 312 INLIS000000000005257 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)