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VOLUME 6, ISSUE 1 2026

DIAMONDBRIDGE ECONOMICS & BUSINESS JOURNAL

ISSN – PRINT:2756-4495 | ONLINE: 2756-4487

Volume 06, Issue 01 – 2026

The Role of Theory Z Collectivist Culture and Its Influence on Nigeria’s Business Environment

^aSandra Ifeoma Nsirim, ^bPamela Chika Ikedum

^a-bGarden City Premier Business School, Plot 13 Herbert Macaulay Street, Old G.R.A, Port Harcourt, Rivers State, Nigeria.

Sustainability Strategy and Corporate Performance in the Oil And Gas Sector

^aDr. Jummai Zainab Umar-Ajijola, ^bProf. Silva Opuala- Charles, ^cProf. Henry N. Ozuru

^a-cGarden City Premier Business School, Plot 13 Herbert Macaulay Street, Old G.R.A, Port Harcourt, Rivers State, Nigeria.

Innovation Strategy and Competitive Advantage of SMEs in Port Harcourt, Rivers State

^aDr. Jummai Zainab Umar-Ajijola, ^bProf. Silva Opuala- Charles, ^cProf. Henry N. Ozuru

^a-cGarden City Premier Business School, Plot 13 Herbert Macaulay Street, Old G.R.A, Port Harcourt, Rivers State, Nigeria.

Remote And Hybrid Work Strategy and Employee Productivity of Fast-Food Firms in Port Harcourt

^aDr. Jummai Zainab Umar-Ajijola, ^bProf. Silva Opuala- Charles, ^cProf. Henry N. Ozuru

^a-cGarden City Premier Business School, Plot 13 Herbert Macaulay Street, Old G.R.A, Port Harcourt, Rivers State, Nigeria.

Corporate Governance and Strategic Performance of Family-Owned Businesses in Rivers State

^aDr. Jummai Zainab Umar-Ajijola, ^bProf. Silva Opuala- Charles, ^cProf. Henry N. Ozuru

^a-cGarden City Premier Business School, Plot 13 Herbert Macaulay Street, Old G.R.A, Port Harcourt, Rivers State, Nigeria.

Artificial Intelligence Adoption and Strategic Decision-Making in Modern Organisations

^aDr. Jummai Zainab Umar-Ajijola, ^bProf. Silva Opuala- Charles, ^cProf. Henry N. Ozuru

^a-cGarden City Premier Business School, Plot 13 Herbert Macaulay Street, Old G.R.A, Port Harcourt, Rivers State, Nigeria.

Supply Chain Resilience and Strategic Risk Management After Global Disruption

^aDr. Jummai Zainab Umar-Ajijola, ^bProf. Silva Opuala- Charles, ^cProf. Henry N. Ozuru

^a-cGarden City Premier Business School, Plot 13 Herbert Macaulay Street, Old G.R.A, Port Harcourt, Rivers State, Nigeria.

Security Initiatives and Customer Patronage of Fintech Firms in Port Harcourt, Nigeria

¹Ohalete, Stella Chiaka, ²Agbonabhis, Destiny Osajie, ³Atuegbu Jane, ⁴Amasuomo, Samson Ebi

¹[email protected] ²[email protected] ³[email protected] ⁴ [email protected]

Global Strategies for Enhancing Logistics Resilience in the Face of Supply Chain Disruptions

Dr. Jummai Zainab Umar-Ajijola

Garden City Premier Business School, Plot 13 Herbert Macaulay Street, Old G.R.A, Port Harcourt, Rivers State, Nigeria.

Global Trends and Challenges in Implementing Cyber-Physical-Social Systems for Smart Supply Chains

Dr. Jummai Zainab Umar-Ajijola

Garden City Premier Business School, Plot 13 Herbert Macaulay Street, Old G.R.A, Port Harcourt, Rivers State, Nigeria.

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