Building grit in Japanese male high-school students: examining the role of belonging to an organized sports activity
Society of Adolescent Health and Medicine 2018 Annual Meeting
Naruki Kitano, Takashi Jindo, Shin Osawa, Yuichi Nakahara-Gondoh, Shota Sakamoto, Takeru Gushiken, Kazuhiro Suzukawa, Toshiya Nagamatsu