na INLIS000000000005794 20130612094009 Ind 010-061300000005794 Ind 005.369 005.369, Ang l Anggawirya, Erhans Lotus 1-2-3 release 2.2, 2.3, 2.4, sekarang belajar sekarang lancar, Dr. Erhans Anggawirya 1994 Surabaya v, 154 hlm., Ilsu, 21 cm Komputer-Program