灰色文献对发表偏倚的影响研究
孙思琴, 楚存坤, 韩丰谈
Study on the effect of Grey Literature on Publication Bias
Sun Siqin, Chu Cunkun, Han Fengtan
现代情报 . 2017, (12): 48 -51 .  DOI: 10.3969/j.issn.1008-0821.2017.12.008