Volume 14 Number 4 (Aug. 2023)

Article#	Title & Authors	Page
1438	Chemical Characteristics of Exchangeable Al, Fe, Mn, and Inorganic P Fraction Ultisols at Forest, Dry Land and Rice Fields Land Use in Jasinga, Indonesia by Erlina Rahmayuni*, Syaiful Anwar, Budi Nugroho, and Lilik T. Indriyati	228
1439	Influence of Urban and Residential Areas on Surface Water Quality in the Vietnamese Mekong Delta Coastal Province by Nguyen Thanh Giao* and Nguyen Hong Thao Ly	234
1440	Developing a Hybrid Regression-Metaheuristic Forecasting Model for University Solid Waste Generation by Pongchanun Luangpaiboon and Lakkana Ruekkasaem*	245
1441	Process Optimization Using Response Surface Methodology for the Removal of Cu(II) and Co(II) from Aqueous Solution Using Gelatin-Cellulose Nanocrystals Hydrogel Membrane by John Kabuba* and Trésor Lukusa	252
1442	Analysis of Sea Level Changes in Eastern Taiwan Coast—Case of Yilan Area by Hui-Ming Fang, Po-Han Chang, and Hsing-Yu Wang*	259
1443	Removal of Heavy Metals from Industrial Acidic Effluents Using Electroless Plating by Thandiwe Sithole* and Freeman Ntuli	265