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ETHICS • PREPARATION • REVIEW • OPEN ACCESS • FEES
Nigerian Journal of Operations Research (NIJOR) | ISSN: 2141-7938
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Journal Profile (About, Aim & Scope)
Nigerian Journal of Operations Research (NIJOR) is the official journal of the Operations Research Institute for Decision Sciences & Analytics of Nigeria (ORIDSAN). NIJOR publishes high-quality, peer-reviewed original papers that contribute to Operations Research, Decision Sciences, Data Science, Industrial Engineering, Decision Analytics, and Intelligent Computing.

Typical areas include (but are not limited to):
  • Applied Operations Research & Applied Statistics
  • Optimization and Mathematical Programming (discrete/continuous/stochastic), reliability, sustainability
  • Artificial Intelligence, Machine Learning, Soft Computing, Swarm & Evolutionary Computation
  • Decision Support Systems; Multi-criteria Decision Making/Analysis
  • Modelling & Simulation; Data Envelopment Analysis; Game Theory
  • Supply Chain & Inventory Management; Portfolio Optimization; Business Intelligence
  • Reliability Theory
  • Applications in agriculture, healthcare, finance, energy, logistics, manufacturing, defense, environment, and more
Publisher: ORIDSAN (distributed through Modibbo Adama University Academic Publishing Center — MAUAPC).
1. Publication Ethics
1.1 Editorial Ethics
Editors and the editorial office will:
  • Treat all manuscripts fairly regardless of gender, race, ethnicity, religion, or citizenship.
  • Ensure decisions are based on scholarly merit, originality, and relevance to NIJOR’s scope.
  • Provide responsible, objective feedback and maintain confidentiality.
1.2 Author Ethics
Authors must ensure:
  • Submissions are original, unpublished, and not under review elsewhere.
  • All sources and data are properly cited and acknowledged.
  • Conflicts of interest are disclosed (funding, affiliations, or personal relationships).
  • Any errors discovered after submission are communicated promptly to the editorial office.
1.3 Reviewer Ethics
Reviewers are expected to:
  • Review fairly based on intellectual content and methodological rigor.
  • Declare conflicts of interest and report suspected plagiarism or ethical issues.
  • Maintain confidentiality of manuscripts and review materials.
  • Provide constructive, respectful, and technically grounded feedback.
4. Open Access & Publication Fees
Gold Open Access: All NIJOR articles are freely accessible without subscription. Readers may read, download, copy, distribute, print, search, or link to the full text (with proper citation).
Acceptance & Processing: Free. However, for accepted papers, authors remit a publication fee to support final publication services (formatting, online hosting, and journal maintenance).

Nigerian Authors
₦30,000
Paid after acceptance
International Authors
USD 30
Paid after acceptance
Payment instructions are provided in the acceptance letter. Any optional hard-copy charges (if available) will be communicated separately.
NIJOR aligns its publication ethics with widely used best-practice standards (e.g., COPE guidance) and expects integrity from all parties.