The stability constants of binary complexes of metal ions Cu²⁺, Ni²⁺, Co²⁺, Cr³⁺ and Zn2+ with Ritodrine Hydrochloride ligand were studied in aqueous media at 280 C temperature. The Protonation constant and metal ligand stability constants were determined by Calvin Bjerrum titrations in combination with Microsoft excel software programme. 1 N NaNO3 used to maintain […]
Introduction: Acute gastroenteritis (AGE) remains a leading cause of childhood morbidity and mortality worldwide, predominantly caused by viral, bacterial, or protozoal infections. However, rarely, AGE can be caused by fungus and can result in severe complications, such as intestinal perforation. We report a rare case in a preschool aged child with fatal outcome. Case presentation: […]
The purpose of this study is to examine and analyze whether profitability, liquidity, and leverage affect stock returns with inflation and interest rates as moderating variables in energy sector companies listed on the Indonesia Stock Exchange for the 2018-2023 period. This study was conducted based on information obtained at the Indonesia Stock Exchange. The sampling […]
The Pekanbaru-Dumai Trans Sumatra Toll Road project is an economically feasible project but not financially feasible. This study aims to assess the feasibility of toll roads that have low financial viability. Data analysis involves the relationship between the ability to pay (ATP) and willingness to pay (WTP), as well as financial evaluation using FIRR, NPV, […]
Quality Management Standard 1 (QMS 1) is a standard established by the Indonesian Institute of Certified Public Accountants (IAPI) to serve as a framework ensuring that Public Accounting Firms (KAP) deliver services in compliance with predetermined quality standards. The implementation of QMS 1 plays a pivotal role in enhancing quality management practices and fostering public […]
Human resources are a valuable asset for any organization. In human resource management, the issue of employee performance is very important because performance has a major impact on the success of an organization. Therefore, researchers want to conduct research by linking the variables of transformational leadership, job satisfaction, and organizational commitment because these variables are […]
Accreditation and quality assurance mechanisms play a critical role in ensuring the standards of higher education globally. In world-leading universities, these processes ensure that academic programs meet established criteria of excellence, facilitating global recognition, trust in academic credentials, and continuous institutional improvement. This paper explores the accreditation and quality assurance frameworks that govern some of […]
The aim of this research is to describe the representation of functions expressed in arrow diagrams, which is an exciting topic. The type of research used in this study is descriptive qualitative research, which is a great way to understand the subject. The subjects in this study were selected at random from a group of […]
Mathematics education has a significant role in developing students’ critical thinking skills, especially in dealing with complex problems. In an effort to support this, this study aims to evaluate the effectiveness of applying the Problem-Based Learning (PBL) learning model combined with the Realistic Mathematics Education (RME) approach to learning the concept of Power Dominating Set […]
The importance of learning foreign languages has reached new dimensions in today’s globalized world. Foreign language skills have become a fundamental requirement for successful international communication and interaction. Europe, as part of these global developments, aims to establish itself as a unified economic, cultural, and linguistic entity. Therefore, a united Europe places significant emphasis on […]
