Iwao Kato, Fumitaka Furuoka, Assoc. Prof. Balakrishnan Parasuraman and Balan Rathakrishnan 2021. CASE STUDY OF SUCCESSFUL SENIOR CITIZEN EMPLOYMENT IN JAPAN INTRODUCTION OF “WOE” AND “ASE” BUSINESS MODEL. Researchers World - International Refereed Social Sciences Journal. 1, 1 (Aug. 2021), 1–16.