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61
The uptake and translocation of phosphorus by rice (Oryza sativa L.) under soil moisture stress [microform].
Published 1980Visual Material -
62
Physico-chemical properties of the coconut fruits of different ages [microform].
Published 1980Visual Material -
63
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64
An analysis of the 1974 Philippine Merchant Marine Academy Entrance Examination [microform].
Published 1980Visual Material -
65
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66
On the endomerphism semigroups and congruence lattice of semigroups [microform].
Published 1980Visual Material -
67
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68
A case study of casual employment in the Philippine government the Ministry of Public Highways [microform].
Published 1980Visual Material -
69
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70