TY - JOUR AU - Nikrahan, Golamreza AU - Ghasemi, Tahereh TI - Determining the Effectiveness of Lyubomirsky's Happiness Training Program on Happiness, Hope, General Health and Life Satisfaction among Female High School Students Studying Child Development and Psychology JO - Journal of Instruction and Evaluation VL - 12 IS - 46 SP - 29 EP - 45 PY - 2019 DO - 10.30495/jinev.2019.668227 ER -