na YOGYA-02090000003735 20210929094938 0010-020900000003735 090227s1956 jki g ind d YOPDYOG ind 23 361 361 SUM f Sumantri Praptokusumo penulis Fragmenta socialia / Sumantri Praptokusumo Jakarta : Pustaka Rakjat, 1956 160 halaman ; 22 cm Masalah sosial YOPDYOG 13926-B 13297-B 13927-B 13926-B