Garudadwajan, B., Karthikeyan, S. and Thiagarajan, S. 1981. Use of Library Documents in Specified Fields in Nal Library - A Case Study. Journal of Information and Knowledge. 18, 4 (Dec. 1981), 199–224. DOI:https://doi.org/10.17821/srels/1981/v18i4/49406.