Pardayev Ulug'bek Xayrullo o'g'`li, Ochilov Ravshan Azim o‘g‘li, Tilyabov Maxsudjon Umurzokovich, Xoliqulov Hamro Jasur o‘g‘li. Using natural plant extracts as acid-base indicators and pKa value calculation method. ISE [Internet]. 2024 May 10 [cited 2025 May 13];2(1):80-5. Available from: http://journal.uzfi.uz/index.php/ISE/article/view/100