Application of advanced oxidation processes for remediation of rubber industry wastewater: a comprehensive review - Zafran Ullah; Zhen-Yu Tian; Collin G. Joseph; Sabine Neusatz Guilhen; Siow Hwa Teo; Jualang Azlan Gansau; Rosalam Sarbatly; Kartini Alias; Pretibaa Subhramaniyun; Muhammad Naeem Khan; Muhammad Shahid Iqbal (Environmental Science and Pollution Research, 2026)