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6861
Perceptions of certain school officials on some supervisory functions and techniques of the agricultural school principal [microform].
Pubblicazione 1975Visual Material -
6862
The petroglyphs of the Angono rockshelter, Rizal, Philippines [microform].
Pubblicazione 1975Visual Material -
6863
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6864
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6865
Vegetational composition and association in a mangrove forest ecosystem in Puerto Galera, Oriental Mindoro [microform]
Pubblicazione 1975Visual Material -
6866
Germination behavior of Gynura crepidioides benth., Portulaca oleracea L., and Dactyloctinium aegytium (L.) aschess and schwein [microform]
Pubblicazione 1975Visual Material -
6867
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6868
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6869
Embryological and ontogenetic studies in Theobroma cacao Linn [microform]
Pubblicazione 1975Visual Material -
6870
Frequency of mutations induces by ethyl methanesulfonate (EMS) in mungo (Phaseolus Radiatus L.) [microform]
Pubblicazione 1975Visual Material