“…Requirements for selecting an appropriate sustainability index lie in the following points (Böhringer & Jochem, ): - The extensive connection to the definition of sustainability of the certain aspect, that is, through relevant literature review (Pezzey, ).
- Selection of indicators that will result in a holistic result for the aspect, that is, through relevant literature review and advice from experts (Custance & Hillier, ).
- Availability and reliability of data that can be quantified over a period of time, that is, through the practicality through field surveys (Stehling, ).
Thus, the indicators were developed based on a review of the literature (Ramos, Ng, Sung, & Loke, ; Bangladesh Labour Rules, ) on each major component, through FGD, and they were assessed on the basis of the practicality of collecting the needed data through field surveys. Table includes an explanation of how each subcomponent was quantified, the survey question used to collect the data, the original source of the survey question.…”