Authors who intend to submit a manuscript for publication in JPPI obliged to understand correctly the instructions and the ins and outs of the provisions on this journal. For authors who have never published the article on this journal, we recommend reading all of the term and conditions are listed in the journal. Authors are requested to prepare a manuscript in accordance with the Instructions for preparation of manuscript and then to follow the Author Guidelines for submission. Before the manuscript is submitted to the editorial team, please make sure that your paper is prepared using the journal paper template. The authors must refer to JPPI for writing format and style (Please download and use as a template for the initial manuscript submission). This will ensure fast processing and publication. Any papers not fulfilling the requirements based on the guidelines to authors or focus and scope, with great regret will not be processed and automatically rejected. The author who will submit the manuscript after deadline of submission as long as meet the requirement for publication in this journal will be process for next issue. The paper submission and reviewing procedures in JPPI will be processed with the web-based system via the Open Journal System (OJS) by Public Knowledge Project (PKP). We strongly prefer to receive manuscripts via our online submission system. With using our OJS system, authors can upload manuscript files (text, figures, and supplementary information) directly to our office and check on the status of Reviews their manuscripts during the review process.