na INLIS000000000000860 20241121095451 0010-1020000662 Hints for research workers in the social sciences Penny, David H. New York : Center for International Studies and Dep. of Agricultural Economics Cornell University, 1984 xx, 157 p. : ill ; 22 cm 3-057.4 PEN h 1,2,3 3-057.4 ILMU SOSIAL PENELITI TENAGA KERJA PENELITIAN. 241121 0 1427/PSEKP/2024 1428/PSEKP/2024 1429/PSEKP/2024