In addition to the following link incorporating the discussions/views of the contents/difference of discussion/conclusion sections, please refer to the below listed papers, where the guidance as to writing discussion/conclusion sections may further help.
What is the difference between results, discussion, and conclusions in writing a research paper?: https://www.researchgate.net/post/What_is_the_difference_between_results_discussion_and_conclusions_in_writing_a_research_paper
Hess, D. R. (2004) How to write an effective discussion, Respiratory care, 49, 10, pp. 1238-1241.
Kallestinova, E. D. (2011) How to write your first research paper, The Yale journal of biology and medicine, 84, 3, pp. 181-190.
Mitchell, J. E. and Le Roux, A. I. (2009) Publishing an article: What editors want, Progressio, 31, 1 & 2, pp. 76-96.
Ortinau, D. J. (2011) Writing and publishing important scientific articles: A reviewer's perspective, Journal of Business Research, 64, 2, pp. 150-156.