Eko Tjahjono, - and Eridani, - and Dyah Herawati, - and lsworo Suwondo, - and Suzyanna, - and Mohammad Imam Utoyo, - and Liliek Susilowati, - and Ardi Kurniawan, - and Yayuk Wahyuni, - and Kartono, - and Utami Dyah Purwati, - and Rini Semiati, - and Eto Wuryanto, - and Sukardiaman, - and Edi Winarko, - (2000) Program Excel Untuk Pengolahan Nilai Akademik. Laporan Penelitian. Lembaga Penelitian Universitas Airlangga. (Unpublished)

Rimuljo Hendradi, - and Eto Wuryanto, - and Dyah Herawatie, - (2000) Relokasi Anggota-Anggota Kelompok Dalam Analisis Kelompok. Laporan Penelitian. Lembaga Penelitian Universitas Airlangga. (Unpublished)

Rini Semiati, - and Kartono, - and Utami Dyah Purwati, - and Eto Wuryanto, - and Inna Kuswandari, - (1995) Dekomposisi Matriks Jarang Dengan Metode Doolittle. Laporan Penelitian. Lembaga Penelitian Universitas Airlangga. (Unpublished)