المؤلفون: Ming Fang, Songqing Jin, Klaus Deininger, Matthew Gammans

المصدر: Environmental Research Communications, Vol 5, Iss 10, p 105015 (2023)

مصطلحات موضوعية: climate change, agriculture, crop yields, land productivity, Ukraine, Environmental sciences, GE1-350, Meteorology. Climatology, QC851-999

وصف الملف: electronic resource

العلاقة: https://doaj.org/toc/2515-7620Test

الوصول الحر: https://doaj.org/article/9e6db40ba45b45f59dacb0e864bf73b3Test

المؤلفون: Chen Ji, Hongdong Guo, Songqing Jin, Jin Yang

المصدر: PLoS ONE, Vol 12, Iss 1, p e0170861 (2017)

مصطلحات موضوعية: Medicine, Science

وصف الملف: electronic resource

العلاقة: http://europepmc.org/articles/PMC5271360?pdf=renderTest; https://doaj.org/toc/1932-6203Test

الوصول الحر: https://doaj.org/article/03565653fb2f49e5abf7c0827ca909dcTest

المؤلفون: Songqing Jin, Erika C.H. Meng, Ruifa Hu, Scott Rozelle, Jikun Huang

المصدر: Journal of Agricultural and Resource Economics, Vol 33, Iss 3, Pp 449-472 (2008)

مصطلحات موضوعية: agricultural productivity, china, crop diversity, diversity index, total factor productivity, wheat, Agriculture

وصف الملف: electronic resource

العلاقة: https://ageconsearch.umn.edu/record/46555Test; https://doaj.org/toc/1068-5502Test; https://doaj.org/toc/2327-8285Test

الوصول الحر: https://doaj.org/article/36112207846344c887850c1157f147f9Test

المؤلفون: Lili Li, Cody Abbey, Huan Wang, Annli Zhu, Terry Shao, Daisy Dai, Songqing Jin, Scott Rozelle

المصدر: International Journal of Environmental Research and Public Health; Volume 19; Issue 22; Pages: 14815

مصطلحات موضوعية: adolescent health, video game time, mental health, rural China, developing countries

جغرافية الموضوع: agris

وصف الملف: application/pdf

العلاقة: Children's Health; https://dx.doi.org/10.3390/ijerph192214815Test

الإتاحة: https://doi.org/10.3390/ijerph192214815Test

المؤلفون: Dongshi Chen, Hongdong Guo, Qianqian Zhang, Songqing Jin

المصدر: Sustainability; Volume 14; Issue 3; Pages: 1197

مصطلحات موضوعية: e-commerce, ICT, technical efficiency, stochastic production frontier, propensity score matching, selection bias

جغرافية الموضوع: agris

وصف الملف: application/pdf

العلاقة: https://dx.doi.org/10.3390/su14031197Test

الإتاحة: https://doi.org/10.3390/su14031197Test

المؤلفون: Mywish K. Maredia, Songqing Jin, Maria Porter, Jarrad G. Farris

المصدر: Economic Development and Cultural Change. 71:793-818

مصطلحات موضوعية: Economics and Econometrics, Geography, In utero, Growing pains, medicine, Development, Child growth, Socioeconomics, medicine.disease

الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_________::0761ec0371225b1d754f5cbb4734d03eTest
https://doi.org/10.1086/714886Test

المؤلفون: Linyi Zheng, Liufang Su, Songqing Jin

المصدر: Canadian Journal of Agricultural Economics/Revue canadienne d'agroeconomie.

مصطلحات موضوعية: Economics and Econometrics, Global and Planetary Change, Ecology, Animal Science and Zoology, Agronomy and Crop Science

الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_________::f4fccd5fde819c865cb839598c0d26c5Test
https://doi.org/10.1111/cjag.12335Test

المؤلفون: Jianxin Guo, Songqing Jin, Jichun Zhao, Yuhua Li

المصدر: Journal of Agricultural Economics. 74:369-393

مصطلحات موضوعية: Economics and Econometrics, Agricultural and Biological Sciences (miscellaneous)

الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_________::df4cf0c12e888245eac7ca2a347c9532Test
https://doi.org/10.1111/1477-9552.12518Test

المؤلفون: Zhong Tang, Titus O. Awokuse, Jiong Zhu, Songqing Jin

المصدر: Economic Development and Cultural Change. 71:333-371

مصطلحات موضوعية: Economics and Econometrics, Pension, Economics, Demographic economics, Development, China

الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_________::80cf10b04eacba52787956d41515b4ecTest
https://doi.org/10.1086/714081Test

المؤلفون: Zuhui Huang, Yanzhou Liu, Yuxiang Wang, Songqing Jin

المصدر: Applied Economics. 55:3514-3526

مصطلحات موضوعية: Economics and Econometrics

الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_________::12f8353bafc503f3ab8d3abd9b4ba43bTest
https://doi.org/10.1080/00036846.2022.2115453Test