00388nas a2200121   4500000000100000008004100001260001300042100002500055700001700080700001800097700002300115245012800138       2025                            d  bDykinson1 aVolodymyr Zaslavskyi1 aOlga Yamkova1 aIuliia Tsyrfa1 aOlena Pryiatelchuk00aImplementation of the Type-Variety Principle in Modern Teaching and Learning Methods and Realization of Scientific Research