If you are looking for a scientific "paper" from Japan around 2021 regarding dog behavior, you may be thinking of researchers at who published widely discussed studies during this timeframe:
If you are looking for specific reading material or local training, here are the most relevant "good papers" and resources: Kai Makoto Training Dog makoto kai training dog jap 2021
#MakotoKai #DogTrainingJapan #WorkingDog #MalinoisTraining #BiteWork #2021 #JapaneseTrainer #BalancedTraining If you are looking for a scientific "paper"
: Rather than forcing a command, the method encourages dogs to "make decisions," which is intended to build the dog's confidence and willingness to cooperate. Discipline & Boundaries makoto kai training dog jap 2021