Vol. 7 No. 2 (2026) [IN PRESS]

This issue contains articles from three different countries, such as Bangladesh, Malaysia, and Indonesia.

Published: 2026-08-24

Articles

Fuzzy spatial assignment and NSGA-II approach to multi-objective covering problems in substation expansion planning

👥 Eduard Nugroho Theopilus⁽¹⁾★, Budi Santosa⁽²⁾

(1) Institut Teknologi Sepuluh Nopember
(2) Institut Teknologi Sepuluh Nopember
- PDF
📈 Abstract : 4 📥 PDF : 2

DOI 10.12928/ijio.v7i2.14108 📄 63-81
Production cost minimization through optimization

👥 Shibbir ⁽¹⁾★, Md. Kamruzzaman⁽²⁾

(1) DUET
(2) Dhaka University of Engineering & Technology
📈 Abstract : 2 📥 PDF : 0

DOI 10.12928/ijio.v7i2.14381 📄 82-102
Portofolio optimization with cardinality and minimum return constraints on the LQ45 index using genetic algorithm

👥 Firsta Grandicha Tirafany⁽¹⁾★, Ezra Putranda Setiawan⁽²⁾

(1) Yogyakarta State University
(2) Yogyakarta State University
- PDF
📈 Abstract : 2 📥 PDF : 1

DOI 10.12928/ijio.v7i2.13238 📄 103-121
Decision support for sustainable household waste processing: a comparative evaluation of ahp and fuzzy ahp

👥 Muhammad Faishal⁽¹⁾★, Hayati Mukti Asih⁽²⁾, Endah Utami⁽³⁾, Effendi Mohamad⁽⁴⁾

(1) Universitas Ahmad Dahlan
(2) Universitas Ahmad Dahlan
(3) Universitas Ahmad Dahlan
(4) Universiti Teknikal Malaysia Melaka
- PDF
📈 Abstract : 12 📥 PDF : 4

DOI 10.12928/ijio.v7i2.17417 📄 122-131