Suggestions as under: Abstract: Author (s) should start the abstract with motivation (problem) of the study. Secondly author should mention the data analysis technique. Introduction: Author (s) should revise the introduction part, they should clearly explain the links between POS and EC, further they should develop the strong justification on the mediating role of work engagement and moderating role of stressors. Methodology: Author should discuss the total population, sample size and sampling technique which is missing. Data analysis: Author should use the Nitzl et al. (2016) and Cepeda et al. (2017) approach to discuss the mediation type.

Dear author (s) please find the following suggestions:

Literature review and use of references This section looked very fragmented. Very old references were used. A lot of grammatical mistakes were there. Theoretical development of hypotheses Theoretical logic and arguments were not clearly illustrated. I would suggest you to provide theoretical reasoning for the development of hypotheses. Quality of design and methods The quality of design and methods were not satisfactory. Not mentioned in the study why the author used the purposive sampling technique and why selected only Lahore, Islamabad, and Multan city for data collection. Even not mentioned how 400 sample size was selected for the study. I would suggest you to rewrite this section. Adequate data analyses The reliability and validity of the measure were also suspected. Not deeper and convincing explanations for the result were provided. I would suggest you to rewrite this section and provides a more convincing and deeper explanation of your results. Quality of discussion Satisfactory. Legitimacy of conclusions Need deeper and convincing arguments. Clarity and readability No. Gap was not clearly mentioned. The research looked quite fragmented. Use of references Most old references were used in the introduction and literature section. Rationale and clarity of definition Justification and motivation to conduct the study were not clearly mentioned. Writing style Not satisfactory. Contributes to new knowledge in the field Yes. Interesting topic. Integration of theory Yes, theoretical support was provided in the study.