Hanʼgŭl ŭi "ilgi swium" e michʻinŭn myŏtkaji yŏnghyang e kwanhan yŏnʼgu
Subtitle: Hwalcha ŭi kʻŭgi wa haengŭi kili ka michʻinŭn yŏnghyang
By: yŏnʼguwŏn Im Ŭi-do, yŏnʼgu chʻuktʻak Ko Chong-nyŏl, Pang Chŏng-ae ; Chungang Kyoyuk Yŏnʼguso [pʻyŏn]
Contributors: Ko, Chong-nyŏl; Pak, Chŏng-ae
Series: [Chungang Kyoyuk Yŏnʼguso] Chosa yŏnʼgu -- che 18-chip; [Chungang Kyoyuk Yŏnʼguso] Chosa yŏnʼgu -- che 18-chip.
Publisher: [Paeyŏng Sa]
Published: 1963
Place of publication: [Sŏul]
Language: kor
Number of pages: 102
Subjects: Legibility (Printing); Reading research
Notes: Added cover title: A study of some factors influencing the readability of Korean language. Step 1. Effects of the size of printing type and the length of time.

Table of contents also in English.

Includes bibliographical references.