Vol. 26 No. 1 (2025): June 2025

Buletin Poltanesa Volume 26, Issue 1. This edition presents a wide range of research articles across various disciplines, offering fresh insights and innovative solutions to contemporary challenges. We are proud to feature sections on Agriculture, Economics and Management, Culture and Tourism, Education, and Engineering, each contributing to the broader knowledge landscape. In the Agriculture section, we examine the effects of weed vegetation on lands previously used for oil palm plantations and assess the economic losses due to sedimentation in sub-watersheds. These studies underscore the importance of sustainable practices for both environmental and economic well-being. The Economics and Management section covers a variety of topics, including internal control systems, financial management practices, and the influence of leadership and organizational commitment on employee performance. These articles offer valuable perspectives on enhancing business efficiency and corporate governance. In Culture and Tourism, we explore how customary and Islamic laws intersect with social norms, particularly in the realm of marriage regulations. These articles highlight the evolving role of legal frameworks in shaping cultural practices and community dynamics. The Education section introduces innovations in learning, with a focus on interactive media and the effectiveness of technology in education. These studies demonstrate the growing role of digital tools in enhancing learning experiences and bridging educational gaps. In the Engineering section, we look at feasibility studies on network designs and sustainable energy solutions, particularly for rural communities. These articles emphasize the importance of integrating renewable energy and innovative technologies to address global challenges. We hope this edition provides valuable insights and inspires further research and action in each of these fields. Our thanks go to all the contributors, reviewers, and readers who continue to support Buletin Poltanesa in its mission to foster knowledge and innovation.