“ONLINE TRANSFER OF A PRACTICAL LESSON ON ‘DETERMINATION OF THE SURFACE TENSION COEFFICIENT OF LIQUIDS BY THE METHOD OF DROP BREAK’ IN THE MODULAR SYSTEM”, IEJRD - International Multidisciplinary Journal, vol. 6, no. ICDSIIL, p. 5, Feb. 2021, doi: 10.17605/OSF.IO/WSP6Q.