: It refers to the research "A two-stage hybrid flow-shop formulation for sterilization processes in hospitals" in Expert Systems with Applications (2025).
: It identifies the paper "Effects of substrate on swift heavy ion irradiation induced defect engineering in MoSe2" in Materials Chemistry and Physics (2022). 125624
: It is the final part of the ISBN for the IAEA publication "Classification, Assessment and Prognosis During Nuclear Power Plant Emergencies" (978-92-0-125624-9). : It refers to the research "A two-stage
The number does not correspond to a single, widely recognized "essay" in general literature. Instead, it serves as a specific identifier or article number for various technical and academic publications across different fields: 125624