List of Articles pH) Open Access Article Abstract Page Full-Text 1 - Investigation of physical issues of the initial conditions of free water surface due to underwater disturbances on the basis of SPH numerical simulation of the phenomenon Omid Reza Safiyari Mahmood Reza Akbarpour Jannat Babak Banijamali 10.1007/s40094-019-0323-6 Open Access Article Abstract Page Full-Text 2 - The use of DFT computational method to study the effect of physical factors on the pH range of color change of Azo indicator: Methyl red and Methyl Orange ahdieh Sadeghpour Farzaneh Zanjanchi Open Access Article Abstract Page Full-Text 3 - The organic extracts from the leaves of Ficus thonningii Blume, Jatropha tanjorensis J.L Ellis and Saroja and Justicia carnea Lindley as potential nutraceutical antioxidants and functional foods Kingsley Ijoma Vincent Ishmael Ajiwe Stanley Odinma 10.30495/tpr.2023.1977670.1318 Open Access Article Abstract Page Full-Text 4 - The Impact of Environmental Regulations on Industry Competitiveness: Evidence from Manufacturing Industries of USA, U.K & Canada somaye azami mojtaba almasi afsaneh golmohammadi Open Access Article Abstract Page Full-Text 5 - Classification and properties of acyclic discrete phase-type distributions based on geometric and shifted geometric distributions Mohsen Varmazyar Raha Akhavan‑Tabatabaei Nasser Salmasi Mohammad Modarres