Armaini

Analysis of the Influence of Work Environment on Employee Job Satisfaction at the Medan Middle Tax Service Office

Tabrani, Muliati, Armaini, Risky Andrian, Fika Dinasinda & Sri Rahayu · Asian Journal of Economics, Business and Accounting · 2025

Aims: This study aims to determine the effect of organizational support, work climate and work enthusiasm partially and simultaneously on employee job satisfaction at the Medan Madya Tax Service Office. Study Design:  The objects of this research are organizational support, work...

Open access Research Article 10.9734/ajeba/2025/v25i41764

Biosynthesis of ZnO Nanoparticles Using Spirulina platensis Based on Calcination Temperature Changes and Its Antioxidant Activity

Lusi Mustika Sari, Yetria Rilda & Armaini · Chemical Science International Journal · 2023

The effect of different calcination temperatures on molecular structure, morphology, and antioxidant activity was investigated for Zinc Oxide nanoparticles synthesized using the sol-gel method and the capping agent Spirulina platensis. The prepared nanoparticle ZnO was calcined a...

Open access Research Article 10.9734/CSJI/2023/v32i4850