L - Aceh Books website

- 44 -
13» Grint. D.H, i Rubber tapping oyotcr on Eotatco.
The Malayan Agricultural Journal Vol XIX 1931•
14, Harjono, Ir * Kunpulon kuliah Phytopathology.
Sckoi Phytopothology Pokultoo Portanian Univ.
Gadjah Mada 1961.
1% Iniro » Tcchnolcgi Karot.
INIRO Bogor 1952.
16. Lotif» S.M. » Karet.
Sunur B andung 1961..
17. Liofotingh, Ir.G • Ponjadapan karot.
Madjalah karet no. 3 th.9, Möi - Juni 1958.
16. Pctch, T, BSc.B.A. I The Phyoiology and DioooocG of
Hovca braoilionoio. DULAU & CO, Ltd. Londen 1911.
19. Pcraturan Pcnerintah no. 141/1961 » Pcndirion Badan
Plnpinan Unun Pcrufsahaan Perkebunan Negara ( BPU,
PPR ) Warta P P N no 7 1961 -
20. Rcoing, W.L» I Voriability of Hevea latex.
Archief of Rubber cultivation vol 32 no. 1
April 1955.
21.Skcna konaikan haoil karot (Sunatcra Tinur)
Warta P P N no. 5 1957.
22. Socpardi, R l Riwajat bcborapa tanaman penting dari
perkebunan guriung.
TTarta PPR no. 8 1961.
23. "Tapping joung rubber"
Planter'0 Bulletin no 29, 1957 (Maroh)
24. "Tapping prior to roplanting"
Plantor»o Bulletin no, 15 November 1954.
25. "Topping Syoton"
Planter'0 Bulletin no. 11. March 1954.
26. Tidonan, Ir.P 1 Botokcnio in gebruik van tapvlaknidclen.
Do Borgculturco no. 23 th. 23 December :;54»
27